Favero’s newest pedal is in many ways not new at all. And, that’s probably a good thing. Today’s launch of their Favero Assioma Pro RS power meter pedals takes last year’s revamped off-road pedal (the Favero Assioma Pro MX), and sticks it in a new SPD-SL pedal body. The spindle, as Favero themselves will note, is precisely the same. Only the pedal body differs.
And again, that’s a good thing – because there’s no reason to mess with such a successful product.
Since it was launched about 16 months ago, that power meter pedal has been pounded on by countless cyclists, with strong results. That includes myself going out and buying more sets of them to use as both everyday power meter accuracy testing reference pedals, but also just for regular riding.
This new Pro RS model literally just moves the internal spindle into a revamped Shimano SPD-SL pedal body, with weight savings, and q-factor shifts compared to the previous Favero Assioma Duo-Shi power meter pedals. And that previous project required a bit of an arts and crafts assembly, whereas this one you simply attach to your bike crank arms and off you go.
While I’ve been riding with a media loaner set for the past while, I’ve actually already gone out and purchased my own set. That’s because despite the embargo being today, Favero decided to open up their webshop with the new Favero Assioma Pro RS yesterday to the internet. Given I have access to said internet, might as well get the credit card out. This loaner set will go back to Favero as usual. If you find independent reviews like this useful, consider becoming a DCR Supporter.
With that, let’s get into it!
What’s New:
While these new Pro RS pedals are simply the Pro MX spindles in a new pedal body, there are differences though to the current/previous Favero SPD-SL pedals (called the Duo-Shi), that are based on the older architecture with pods. The newer architecture does not have pods, and instead gains a totally new spindle design.
So, let’s compare things to the Favero Assioma Duo-Shi (SPD-SL variant), instead:
– Got rid of battery/communications/charging pod entirely. Everything is inside the spindle now
– Got rid of longer q-factor on the DUO-SHI (now at 155mm)
– Changed battery life to 60 hours (Favero Assioma Duo is claimed at 50 hours)
– Added Platform Center Offset (PCO) within the cycling dynamics suite of metrics (previously they couldn’t get that specific item, while already having other cycling dynamics metrics).
– Swappable to the SPD (e.g., MTB/Gravel) pedal bodies of the Favero Pro MX
And, low and behold, there is actually one itty bitty little thing that’s different/new compared to the Favero Pro MX:
– Switched to USB-C charging for the connector
Of course, when Favero announced the Pro MX pedals last year, they talked a lot about the spindle redesign. The spindle is the core of the power meter itself, and is what’s inside the pedal bodies. The pedal bodies are basically just an outer shell with no electronics in them. They’re designed to be replaceable (in case of breakage/impacts), and in the case of Favero, Garmin, and Look, designed to be swapped between different pedal body types (e.g., SPD to SPD-SL, and with Garmin, also to Look pedal bodies).
However, when it comes to the actual spindle itself, Favero emphasizes how they shifted the battery and connectivity pieces deeper into the spindle to protect it. They talked then about how, by using a rechargeable battery, they can reduce the primary cause of dropouts in coin-cell battery units, which are bad contacts with batteries. Obviously, we saw Garmin suffer through that during the Vector 3 phase with batteries that didn’t comply to size standards. But we also saw Garmin address that with new battery caps (now 7 years ago in 2018). Said differently: Favero is right that their solution sidesteps the problem, but equally, it’s just not a real-world problem on Garmin Vector 3 or Garmin Rally pedals.
Likewise, as with every pro, there’s a con. In this case, it means that Favero’s battery duration is roughly half that of Garmin’s. Does it matter to most people that it’s 50-60 hours instead of 100-120 hours? Probably not. But, for some it might.
Now, let’s look at the actual Favero Pro RS specs:
– Claimed accuracy: +/- 1% (0-3,000w)
– Temperature Compensation: Yes – active temperature compensation
– Auto-Zero Capability: Yes
– Manual Zero-Offset Capability: Yes
– Connectivity: ANT+ (unlimited concurrent connections), and Bluetooth Smart (three concurrent connections)
– Cadence Transmitted: Yes (10-250rpm)
– Left/right Balance Transmitted: Yes
– Cycling Dynamics (or similar): Yes, full suite
– Oval/Q Chainring Compatible: Yes
– Weight per pedal: 123.5g (per pedal)
– Battery type: Rechargeable
– Battery life: Claimed 60 hours
– Water Resistance: IP67
– Operating Temp Range: -10°C to +55°C
– Max Cyclist Weight: 120kg
– Q-Factor: +53mm
– Stack Height: 10.5mm
Finally, we get to pricing. For the first time on launch, Favero is actually pricing these in multiple currencies. That’s notable because historically speaking, Favero has only ever priced in Euros, and then made global retailers/distributors ‘deal with it’, causing angst among those retailers since pricing literally changed every day. However, now they’ve got actual pricing in all the most popular markets (US, Europe, UK, Australia, Japan, Canada).
In any case, Favero is selling two versions: Dual-sided (RS-2), and a single-sided (RS-1), plus an upgrade option (from single to dual-sided). Here’s their nifty table:
Also of note to those who plan to somehow kill their pedals, is that Favero’s replacement pedal body (the not-smart pedal piece that surrounds the spindle housing the smarts) is a mere 59EUR per pedal, which is substantially cheaper than Garmin’s 129EUR.
In the Box:
Let’s take a Quick Look inside the box. In this case, the dual-sided package. Note that if you buy a single-sided unit, you do actually get two pedals, it’s just that only one of them has electronics in it.
Here’s the upper layer, before we dive into all the little bits:
And then here’s everything carefully taken out and made to look pretty. Yes, I even lined up every bit of that mounting hardware, just for you. You’re welcome:
In short, inside you’ve got:
1) The power meter pedals
2) Shimano branded SPD-SL cleats
3) The mounting hardware (to mount cleats to your shoes)
4) Dual USB-C charging cable
5) Two charging clips (USB-C)
6) Grease application tool
7) Some paper stuff you won’t read
Here’s a closer look at the pedals:
They share the same exact charging connector as the Favero Assioma Pro MX pedals from last year. In fact, anytime you ask yourself “Are they the same as the MX pedals?” The answer is always yes. The only time it’s not ‘Yes’ is for stack height and pedal weight. Otherwise, the spindle is literally the same exact spindle, allowing it to be swapped between pedal bodies.
Likewise, because those charging clips are the same, but now with USB-C connectors, that means if you had a pair of Favero Assioma Pro MX pedals, and wished they were USB-C instead of Micro-USB, you can swing over to the Favero store and buy the new charging clips and dual-USB-C cable.
Otherwise, it’s time to get the pedals installed.
Install & Setup:
As with all things about the Favero pedals, this section will be easy. After all, there’s little to do except attach the pedals to the bike using a pedal wrench, and then ensuring the pedals are activated via the Favero App (which has been revamped). The entire process can be done in at most 2-3 minutes.
First up, you will need to attach the charging cable to the pedals at some point to wake them up (with USB power applied). Once that’s done, you’ll crack open the Favero Assioma app, which lets you search for nearby Favero pedals using Bluetooth, and activates them. Favero does require activation/registration, in the event of a recall (such as last year’s safety recall for a batch of older pedals).
Once that’s done, you’ll want to ensure the crank length is set correctly. This will depend on your bike, and is found on the inside of the crank arm, right where you’re about to insert your pedals.
At this point, you can go ahead and install the pedals. Simply finger-tighten them into the crank arms, and then from there use a pedal wrench to crank them down nice and tight.
As always with power meter pedals, you’ll want to ensure they are quite snug for accurate results. Further, the best way to ensure power meter pedals are ‘settled’ (aka bedded) is to simply do 3-4 hard sprints. They don’t need to be long, just 5 seconds or so is more than enough to get everything all happy.
Once that’s done, we’re ready to head over to your bike computer to finish things off.
Daily Ride Usage:
I’ve been putting these pedals through their paces on all assortment of road rides. Keeping in mind that again, it’s the same *exact* spindle as the Favero Pro MX that I reviewed nearly 18 months ago. Since then I’ve bought a few sets of those pedals and use them across my power meter/trainer/smartbike testing, and have simply beat the crap out of them. From treks across Morocco by gravel bike, to plenty of mountain biking, road riding, gravel riding, you name it.
In the case of the road-based Favero Pro RS, I’ve been putting these road pedal bodies through plenty of rides as well, including long hours in the saddle and big climbs. Also notably including big temperature shifts, either into the mountains, or mid-ride (e.g., starting in morning and ending mid-afternoon).
Still, at the end of the day, most of the data you’ll see while riding will actually depend on which bike computer you have. While virtually all bike computers will display the basics (e.g., total power and cadence), not all bike computers will display the cycling dynamics information that Favero (and Garmin) output on their power meter pedals. Despite having many years to adopt the standard, Wahoo has not done so. Neither has Hammerhead. More on that in a second.
When it comes to pairing up the pedals, you’ll search for them under the pairing screen on your bike computer or watch. I’ve tested it with numerous devices thus far this spring, including watches from Garmin, Apple, Polar, and Suunto. As well as bike computers from Garmin, Wahoo, COROS, and Hammerhead. None had issues in terms of basic data display.
The Favero pedals can pair over both ANT+ & Bluetooth Smart. For basic power data, it won’t matter to you. Your bike computer will know which is best, and pair appropriately. Generally speaking, you’ll use ANT+ for power meter data, because it’s got more data in it. The Bluetooth Smart power meter profile doesn’t have all the additional data ANT+ does, such as lacking pedal smoothness, torque effectiveness, and cycling dynamics (Platform Center Offset, Power Phase, and Seated/Standing Time. This means you won’t get that data when pairing over Bluetooth Smart on watches from Polar, Suunto, Apple, and others.
Once paired up, you can (and should) validate that your crank length is correct. This should flow down from what you set in the Favero app, but you should always double-check. Mismatches in crank length between two recording devices (e.g., a watch and bike computer) will lead to all assortment of bad-bad.
You can also validate that the various Cycling Dynamics settings are configured here as well, specifically paying attention to the ‘Torque Effectiveness and Pedal Smoothing’ setting, which for whatever bizarre reason, Garmin defaults to ‘Off’, rather than showing. One of these days I’ll remember to ask why they simply don’t set that to enabled to record, but, they don’t.
Again, you can configure whatever data fields you want, but in terms of the data the Favero Pro RS pedals will transmit, it’s the following:
– [ANT+/Bluetooth] Total power (combined left/right)
– [ANT+/Bluetooth] Power Balance (left/right split)
– [ANT+/Bluetooth] Cadence (RPM)
– [ANT+] Torque Effectiveness
– [ANT+] Pedal Smoothness
– [ANT+] Platform Center Offset (Cycling Dynamics)
– [ANT+] Seated/Standing Time (Cycling Dynamics)
– [ANT+] Power Phase (Cycling Dynamics)
Now, technically speaking, it’s transmitting torque and cadence, and your bike computer figures out power. But that’s just a minor technicality.
Ok, with that, we start pedaling and riding. Here’s how this looks on various data pages:
And the cycling dynamics page on a Garmin unit (again, this isn’t an option on other bike computers):
Plus, of course, power derived fields, like 3-second or 30-second smoothed power, which your bike computer will figure out on its own.
All of this data is, of course, recorded to your bike computer’s file. Note also the seated/standing time breakouts, in the post-ride summary, too:
In the case of Garmin, you’d see all the extra pedaling metrics in Garmin Connect (Mobile and Desktop), such as below:
And also on the detailed Cycling Dynamics page, too:
For other platforms, like Wahoo, you’re going to see the total power, cadence, and left/right balance, but not the other metrics. Here’s how that looks:
Ultimately, the world is your oyster when it comes to the data on your bike computer. But what matters here is that Favero is providing everything possible that companies like Garmin can record. Whether or not you find value in all those extra cycling dynamics metrics is just as much a question as it is with Garmin Rally pedals.
For me personally, I don’t tend to find much value there. About the only metric I look at is various smoothed power data fields (e.g., 3s/10s/30s power), plus, of course, cadence. For those coming back from an injury, you’re probably also looking at left/right balance. Beyond that though? Not for me in my daily riding. I simply haven’t seen any real-world value there, for training or racing.
Power Accuracy Testing:
In this section I’ll take a look at how the power meter compares to various other sources. This includes two different indoor trainer/smartbike setups, plus crankset-based power meters. All of which help to provide a picture of whether the Favero Assioma Pro RS has any accuracy issues.
That said, since it’s the exact same spindle as the Favero Assioma Pro MX that I’ve been using for well over 18 months, and comparing against countless power meters, trainers, smart bikes, and more (as a reference device no less), there are really very few surprises here. Instead, my focus was on validating that nothing weird popped up (since that does happen from time to time in other products that seemingly should be the same).
First up, let’s look at an indoor trainer ERG workout (structured workout), compared to the Elite Justo 2.
At a high-level view, things look pretty darn close, within a few watts. We do see a bit more wobble on the Favero pedals than the Justo 2, but that’s due to the Elite Justo 2 doing a bit more smoothing (as many companies do in ERG mode). Said differently, there’s nothing really wrong with the Favero pedals here, as it’s giving a more accurate view of things.
If we look at the mean-max for this particular ride, we’ll see it’s very very close, though some slight variance due to the wobble being over/under the smoothed line. Again, normal for a smoothed data source. We’ll see how that changes in the next set, when compared to a much more responsive data source.
But first, the cadence, which looks good.
Next, let’s look at this set in simulation mode (e.g. gradient mode), where I’m controlling the power, instead of the trainer. In this case, this is compared to the Muov bike, and it’s astonishing how close these two are.
If we zoom in, we can see the high rate of responsiveness, with both companies claiming exceptionally high update rates (30 times a second in the case of Muov, though distilled down to once per second with today’s FIT files).
Looking at a surge/sprint like this, we’re seeing a mind-boggling 2-watt difference between the two power sources. That’s incredibly hard to get that close. Super impressive stuff from both companies.
Same goes for this portion too, at literally half a watt difference on nearly 700w!
So, let’s head outside instead.
First up, is a 90KM ride I did of very steady-state pedaling. Some rollers, but pretty much just cooking along.
At a high level, it looks really darn good, and it is. We see some sprints/surges, like this below, and it’s very close to the SRAM FORCE AXS power meter that was on this particular bike:
And the Mean-max chart is also really really good too:
However, during the ride, after stopping at a stop sign, something caught my eye as I started pedaling: The SRAM FORCE AXS power meter was reading exceptionally low. Crazy low. Far too low at a few dozen watts, compared to my actual ~200-300w effort. In fact, you can see these two gaps here:
Zooming in, we see this occurs twice, both times after brief stop sign moments, where I was resting my foot on one pedal, but not both pedals. This is a bug with SRAM’s Magic Zero offset algorithm. It’s frustrating because this issue is hardly new. I brought it up on a previous review when it randomly happened, and over the last year or so, I’ve seen it happen perhaps once a month. It’ll correct itself relatively quickly if you stop pedaling, but if you don’t, it might take a few minutes before it auto-corrects.
You can turn off the setting, but that then kinda defeats the ‘magic’. Likewise, most people would never notice, unless they had a comparative data set, or were always looking at it. This isn’t a Favero issue, obviously, but a SRAM issue, and one I want to poke the bear harder on. There’s really no excuse for this to still be happening, especially since I see it across all of my SRAM units from time to time (gravel & road, on RED & FORCE). Sigh…a problem for another day.
Speaking of another day, here’s today’s ride. This was up into the mountains, on a rather steamy warm day, which only got warmer as my ride went into early afternoon.
Still,, both these units were scary perfect together. No magic-failures from SRAM this time, just happiness. Here’s a random snippet/section:
And then the mean-max graph:
And finally, the cadence to round things out.
The point is, all of this data looks perfect for the Favero Assioma Pro RS. Proving once again why you buy a power meter from a reputable power meter company. Heck, you don’t even have to spend a lot of money with Favero either.
It just works. I don’t need to type any more words than that simply to fill space. The graphs and data clearly support that.
Wrap-Up:
The thing I appreciate about Favero reviews, is that they rarely have surprises. Or, more notably, rarely have failures. By time Favero is ready to release a product, they’ve done all their homework, all their testing, and the thing ‘just works’ out of the box. Not just for consumers, but reviewers too. I don’t need to spend a bunch of time playing e-mail volleyball on why something isn’t working as expected, or isn’t working at all. Because in Favero’s case, it just works. Every time.
And given it just works, the whole recommendation is made even easier in that it’s substantially cheaper than the most likely alternative: Garmin Rally pedals. Certainly, there are a few technical reasons one might choose Garmin Rally over Favero Assioma Pro RS. Mainly that Rally has double the battery life, and supports Look KEO pedal/cleat types (whereas Favero isn’t releasing a Look KEO pedal body at this time). Or perhaps you just prefer coin cell batteries over rechargeable ones. To each their own. From an accuracy standpoint, I see both products as equals.
However, from a purchasing standpoint, it’s hard to justify the added expense for Garmin’s Rally pedals ($1,099USD) compared to either the Favero Pro RS ($789USD), or Pro MX. And simply put, over the last year, I’ve bought multiple sets of Favero Pro MX pedals for gravel and mountain bikes, and will do the same for other road-bike applications with the Favero Assioma Pro RS. I just can’t see any reason to justify an extra $300 for Garmin Rally. That buys a lot of ice cream…and I like ice cream.
Ultimately, if you’re looking for a road cycling pedal-based power meter, there’s little reason to look any further than Favero’s Assioma Pro RS.
With that, thanks for reading!
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Thanks DCR for yet another excellent review! Do you have any indication when/if these new PM pedals will become available for Look cleat users in case you are allowed to share already? Thank you!
Well, the naming scheme certainly leaves room for an Assioma RK version. But given the size of the company, and how they aren’t really that much into the field of mechanical engineering, I wouldn’t be surprised if they skip out on this, despite deliberately leaving the door open.
Which is super annoying for me, because I have a little fleet of Assioma and Bepro and more bikes than pairs of cycling shoes.
I use 16mm spacers with my Favero Duo’s and I haven’t had any issues. Here is a good discussion on using pedal spacers with power pedals: link to bicycles.stackexchange.com
In general they should work fine, but no company tests them in that configuration so they can’t guarantee it.
Ray if you have any information stating otherwise I would be interested in seeing it.
I’ve found the Garmin Rally’s work fine with the 20mm hollow “titanium alloy” pedal extenders available on Amazon (hollow allows signals to transmit). They need about 18mm so the 16mm spacer doesn’t work.
Unfortunately the Faveros don’t work at all with the extenders – complete signal loss when threaded all the way in. Super bummer, I hate the Rally’s sloppy engagement/clear retention, coin cell battery, and inevitable squeaking… but they do work just fine with 20mm extenders (if hollow).
That’s interesting- so you can get the faveros fully threaded and transmitting in the 16mm extenders? Had no luck with 20mm (which do work for Rally’s)
Sorry, the OP was referring to extenders. Spacers (the tiny little ones) are fine. It’s the longer extenders that historically have caused wonky things with pedal power meter accuracy.
Can also confirm that the Rallys work with 20mm extenders / spacers with no dropouts or altered readings. I rode with those and a P2M and they were usually spot-on or within 2W of each other.
I’ve always felt uncomfortable with my Assioma (should now mention first gen Assioma), hard to find the trigger point with the cleat. I didn’t had this problem with my SPD SL pedals.
Is this better with this new SPD SL version ? Is the “clipping” more natural ?
Thank you!
Thanks for the write-up Ray. I saw the news first on road.cc today, but came here for a non-sponsored post. I’m a very happy user of the Favero Pro MX pedals that are on my cross bike and at the moment these are my only power pedals.
The lack of USB-C was the reason I didn’t buy the Assioma Duo. Glad to see that has been solved. With the upgraded Wahoo, micro USB really becomes a thing of the past and one charger is enough for holidays.
But same question others are having: will they release a Look version? If not, I guess the switch to Shimano would not imply a huge adjustment. It’s just the stash of Look cleats once bought cheaply that would be left over…
There doesn’t seem to be any information on the FA website about swapping between pedal bodies or how to order those bodies. I assume they need to be FA-specific bodies?
I guess I don’t understand the question. You _can_ buy a single sided RS-1, and it already comes with the non-power opposite pedal. No need to buy a pedal body and source a spindle.
First, Favero does not sell single pedals.
Second, even if you could get your hands on a single Favero pedal, now you have different pedals on the two sides with (likely) different stck heights, (potentially) different q-factors, (at least slightly) different dis/engagement mechanisms, etc.
I’m that person that would prefer 40-50h of rechargeable battery life over 100h of coin cells for one simple reason – battery life reported by units is crap so instead of trying to remember when did I replace those coin cells I would simply recharge before the ride. Why can’t sensor companies report the battery status properly, in percentage, and not in “OK/Warning/Low Battery” (or even “OK/Low battery”)?
Out of curiosity – do people actually swap pedal bodies on products like this? Garmin has had swappable bodies for a while, Favero has them now as well, but do people care or do they simply buy two sets of pedals instead?
Thank you Ray for all the work you put into every review. In your opinion, are there any reasons other than q-factor to switch from DUO SHI? How are the pedal bodies? Nicely weighted? Spin freely? Thank you.
This really does seem like a really good product. And it is really clear now that if you want a PM Pedal the FA are the ones to get. However, over at Escape I read this:
“The use of needle roller bearings and a bushing is said to support high dynamic loads while keeping pedal thickness low. But as Dave Rome noted in his review of the Assioma Pro MX2 SPD power meter pedals, this design introduced a small but perceptible amount of play at the pedal body, which may be noticeable to some riders while riding.”
The above is about the MX and not the RS, but since the spindle are the same I was wondering whether this is something you also perceived? Or is it so small that you need to be super sensitive to even notice it?
Are you going to review the Magene P715 as well?
With all those pretty happy customers using Magene spider powermeters, I guess it’s a fair question, is the P715 reliable and accurate? Than the same argument regarding the price difference between Favero and Garmin would hold for Magene and Favero…
Or, said differently, if the P715 is not rubbish, how much added value do you get when you buy Favero instead?
I’m not opposed to it. I just checked their site though, and it’s out of stock/unable to order (else, I’d have placed an order). Sure, I could easily request a review sample.
That said, in talking to someone that has a pair, it doesn’t sound super smooth sailing (to say the least). So once I can buy one myself, I’ll do that. I just don’t really want to deal with the endless back and forth between a company asking to re-test 12 times over, fixing their issues.
Me being a pita is definitely my thing. It’s when a product is a pita that’s less desirable. I also know how certain companies work in this realm. Nothing wrong with Magene per se, they’re very friendly and willing to fix things. But I find there tends to be a lot of things that need fixing, and then asking to hold off on a review, me re-testing fixes, and back and forth….
Is the magnetic charging connector the same as the original Assiomas Duos? In other words, can I buy the USB-C version to charge my old pod-based pedals, or is it slightly different? (I’m thinking it’s different, but confirmation would be good.)
Different: the original held with magnets resting partially on the spindle but contacting high up on the pod (as seen from the spindle as”low”), the new ones are held through mechanical flex (i think? That difference does not really matter for the question though) and have the contacts right down at the spindle. You can “USB-Cify” Assioma Pro MX with the new adaptors, but not OG Assioma.
Djibey – I have the exact same issue. I find that pedals spin to freely which means I’m always messing with trying to get the second foot clipped in. Would love to know how freely these spin compared to the original duos.
Ray, will you review the new Magene power pedal when will be available officially in Europe (already available in UK)? Great review as usual. Btw, streetprice for Garmin RS200 is 700 Eur which make them in competition with Favero. However, the usb c in Favero is definitely a game changer.
If I knew that assioma would release this medal, I wouldn’t have bought the garmin rally rs200, but since I already bought it, it has to stay that way. I’ll console myself that I have a more expensive product, but with a replaceable and longer battery. Although I could also live with the shorter operating time in the favero.
Can you tell me what I would need to order – I just switched to Shimano XTR PD-9120, but I have a CX bike and a MTB with no power meter :( These pedals would seem to be a great fit. Do I order the Favero Assioma Pro RS (SPD-SL) Power Meter Pedals (Dual Sided) and do I need to order some type of additional fitting? I wouldn’t be using these for road. I have no experience with favero products, but these sound fab!
Can you speak a bit more as to their release email? I’m curious about the “Fine tune your clear position” and “access in real time via our app”. Thanks for the Info!
Unlock deeper insights with a wealth of metrics, including the PCO, enabling you to fine-tune your cleat position and letting you chase that last split second of performance. Plus, access it in real-time via our Favero Assioma app.
Generally speaking, from a bike fit standpoint, you can use PCO (Platform Center Offset) to basically see if your cleats are correctly aligned on your shoes. If you look at the data and it’s skewed left or right, you could adjust your cleats slightly to have the weight centered on the pedal.
You can see the attached screenshot, indicates I could stand to substantially tweak my cleats to have it more centered. Or, I could keep ignoring it like I have for the last 15-18 years. :)
i just came here to say that favero’s pro mx pedals are one of the best things i’ve ever bought for my mountain bike. insanely accurate, durable enough to easily survive wild mtb adventures and a battery that lasts basically forever between charges. this, coupled with their amazing support (seriously, contact them for literally anything and you’ll get treated like you’re the only customer they’ve ever had…) means you have the best possible product in this category. just buy them, whatever flavor you need, and regret NOTHING
Does Favero intend to discontinue the DUO-SHI? I don’t see it on their site anymore.
(I’ve been talking to them recently about a set of my pedals that have developed too much play)
Seeing you point out the SRAM magic zero offset, I will go ahead and mention two bugs I have seen with Garmin edge head units and favero assioma duo pedals:
1) Lap time standing field in Garmin Edge not updating unless pausing/unpausing ride
2) time standing field in garmin edge regressing if manually starting a new lap while standing
Perhaps they are not bugs though, and instead user error or issues on my end.
Thanks for the explanation of the SRAM power meter issue & the Magic Zero feature. I got a new bike with SRAM Red last week (after years of di2 + Favero Assioma pedals), stopped for 80 seconds at the foot of a mountain that starts with ~5 minutes of 13-15%. The Red power meter was telling me I was doing 80w, with my heart rate maxed out, for seven minutes before I got to a small flat section, unclipped and did a manual calibration (I had no idea what was going on), and then resumed the climb, now showing 350w. I genuinely thought my new crankset might be broken, it was so obviously wrong I was shocked.
It’s definitely weird. I ended up ordering direct from the company last time and it was much cheaper. It might go up once they add in the tariffs for a US shipment.
Looks like about $25 more, my guess here would be something tariff-related.
I don’t know (frankly, I don’t think anyone can know/keep track of), the current tariff for an Italian made cycling power meter. So perhaps that retailer is trying to cover some portion of that.
Historically speaking, you were on your own for any tariffs/VAT/etc from Favero, since everything shipped from Favero directly in Italy (if buying from them directly). If there were middleman retailers, then they dealt with the ever-changing exchange rates and any import fees.
Interesting. “– Stack Height: 10.5mm”. Just checking, I think that’s the stack without the cleat and so +6mm for the cleat gives 16.5mm, which is comparable to the 15.8mm for the (ultegra) PD-R8000 or 14.6mm of the Dura Ace pedals. In fact exactly the same as the R6000 series. So for most then that’s close enough to be without issue swapping between (where I’d say 10.5mm to 16.5mm would be noticable to most).
And a second one @ray, that issue with magic zero, is that the same with Quarq Dfour spiders too?
Correct, Favero lists without cleats. I’ve gotta normalize all of them in a comparison table today.
As for Magic Zero, it technically would include the DFour spiders, since actually it was introduced there. That said, I never had issues with it till the last yearish (SRAM RED 2024). Meaning, I think something changed algorithm/firmware on their newer units that’s driving the errors.
One thing to add vs Garmin Rally pedals, is that I find Favero calibration much smoother. Unlike for Garmin, where it always takes ages and regularly returns errors, for Faveros it is quick and just works.
Hmm, that’s odd. I don’t see really any difference in calibration time? And honestly, never get errors.
Almost wonder if something is up with your set (assuming you’re clipping out of course), thus causing both the delays and, more importantly, the errors.
1) You really want PCO data
2) You want barely slightly better battery life
3) You prefer the USB-C charging connector pod (remember, it’s still a pod, just connected via USB-C)
4) In the case of Duo-Shi, you want reduced q-factor
5) You don’t like the look of the pod, visually
In the case of bikes that I have equipped with the existing Favero pedals, I don’t plan on buying replacement sets for those, till those pedals need replacing. They work perfectly fine.
> rechargeable battery is welded directly to the circuit board and housed in a sealed environment, ensuring a reliable and continuous power supply to the electronics. In contrast, using replaceable batteries would require them to be located in the pedal body—rather than the spindle—to allow easy access for users. This setup would necessitate electrical contact points between the electronics in the spindle and the battery in the pedal body. Unfortunately, these connections are exposed to moisture, dust, mud, and vibrations over time, making them increasingly vulnerable to degradation. As a result, this structure could lead to unstable power readings or frequent signal dropouts, which don’t happen with our power meter pedals.
All of that is wrong. Garmin puts the replaceable coin cells into the spindle. And doesn’t suffer reading or signal issues.
Even worse. Favero states that the battery is welded to the circuit! You cannot use these pedals longer than a few years. They just try to save money in production, instead of using a screw and a rubber-ring.
I remember the Look Powerpedals here, similar design. The failed on first water contact.
Ray, do you know how durable the bearings are? Failing this how robust the bearings look?
I ask because the bearings on the Duo Shi spindles used a plastic sleeve (aka the adaptor) which ovalized very rapidly causing noticeable play in the pedals after ~ 1000km.
Hi Ray,
I currently have the Pro-MX2 (I am using them on my gravel bike) and I just ordered the RS pedal bodies with the intention to use them on my road bike.
The Pro-MX2 are of course already registered in the Favero app, once I have swapped the MX for RS bodies how can I re-register the pedals to be seen as Pro-RS in the app?
Given that they didn’t change a thing on the spindle … couldn’t they very esay throw out a whole bunch of different pedal bodys? Or maybe some aftermarket?
Still waiting for a single side SPD one with larger body like the PD-ES600; for me the Duo-Shi is still better (even though the bearings a bad) because I can use this exact pedal body :)
Or maybe I’am wrong and this extra contact-area with the shoe doesn’t matter at all?
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Hi Ray,
Do you Know if Favero is launching a Look version of this new generation of PM anytime soon?
Thank you for the review!
Nothing that I’ve heard one way or the other.
Thanks DCR for yet another excellent review! Do you have any indication when/if these new PM pedals will become available for Look cleat users in case you are allowed to share already? Thank you!
Update: Rumor is 2026 for a Look compatible pedal body.
Well, the naming scheme certainly leaves room for an Assioma RK version. But given the size of the company, and how they aren’t really that much into the field of mechanical engineering, I wouldn’t be surprised if they skip out on this, despite deliberately leaving the door open.
Which is super annoying for me, because I have a little fleet of Assioma and Bepro and more bikes than pairs of cycling shoes.
Can we support you with buying stuff over amazon.de? Ist that possible?
KR
Rok
Yup, totally!
At the moment the Favero Pro RS aren’t listed there yet, though the MX are.
Could you use a pedal spacer (ex: 20mm) to increase the Q-factor? Would that affect the power reading?
Generally speaking pedal spacers do wonky things to power pedal readings.
I use 16mm spacers with my Favero Duo’s and I haven’t had any issues. Here is a good discussion on using pedal spacers with power pedals: link to bicycles.stackexchange.com
In general they should work fine, but no company tests them in that configuration so they can’t guarantee it.
Ray if you have any information stating otherwise I would be interested in seeing it.
I’ve found the Garmin Rally’s work fine with the 20mm hollow “titanium alloy” pedal extenders available on Amazon (hollow allows signals to transmit). They need about 18mm so the 16mm spacer doesn’t work.
Unfortunately the Faveros don’t work at all with the extenders – complete signal loss when threaded all the way in. Super bummer, I hate the Rally’s sloppy engagement/clear retention, coin cell battery, and inevitable squeaking… but they do work just fine with 20mm extenders (if hollow).
That’s interesting- so you can get the faveros fully threaded and transmitting in the 16mm extenders? Had no luck with 20mm (which do work for Rally’s)
Hello Ray,
But in the package of MX I’ve received the original spacers.
Sorry, the OP was referring to extenders. Spacers (the tiny little ones) are fine. It’s the longer extenders that historically have caused wonky things with pedal power meter accuracy.
I’ll pickup a pair of some and see how things go.
Can also confirm that the Rallys work with 20mm extenders / spacers with no dropouts or altered readings. I rode with those and a P2M and they were usually spot-on or within 2W of each other.
The same as the first question – any news on Look Keo compatible set?
Nothing at this point.
I’ve always felt uncomfortable with my Assioma (should now mention first gen Assioma), hard to find the trigger point with the cleat. I didn’t had this problem with my SPD SL pedals.
Is this better with this new SPD SL version ? Is the “clipping” more natural ?
Thank you!
Hmm, I didn’t have any problems with either, to be honest.
Thanks for the write-up Ray. I saw the news first on road.cc today, but came here for a non-sponsored post. I’m a very happy user of the Favero Pro MX pedals that are on my cross bike and at the moment these are my only power pedals.
Thanks!
There are several options for Look and SPD cleats on the market now – but is there anything on the horizon for TIME pedals?
I would have thought by now that SRAM might have done that, using the PowerTap P1 assets they purchased. Apparently decided it wasn’t worth it.
Guess Sram is committed to their ecosystem which has crank based power.
The lack of USB-C was the reason I didn’t buy the Assioma Duo. Glad to see that has been solved. With the upgraded Wahoo, micro USB really becomes a thing of the past and one charger is enough for holidays.
But same question others are having: will they release a Look version? If not, I guess the switch to Shimano would not imply a huge adjustment. It’s just the stash of Look cleats once bought cheaply that would be left over…
Jespr has entered the chat
There doesn’t seem to be any information on the FA website about swapping between pedal bodies or how to order those bodies. I assume they need to be FA-specific bodies?
Yes, you need their bodies.
For the MX bodies, here: link to cycling.favero.com
And for the RS bodies, here: link to cycling.favero.com
Cheers! 😀
Possibly a stupid question:
Any reason why you wouldn’t just buy one body and then use a dumb (non FA) pedal on the right side (for single-sided power) thereby saving £43?
I guess I don’t understand the question. You _can_ buy a single sided RS-1, and it already comes with the non-power opposite pedal. No need to buy a pedal body and source a spindle.
First, Favero does not sell single pedals.
Second, even if you could get your hands on a single Favero pedal, now you have different pedals on the two sides with (likely) different stck heights, (potentially) different q-factors, (at least slightly) different dis/engagement mechanisms, etc.
I’m that person that would prefer 40-50h of rechargeable battery life over 100h of coin cells for one simple reason – battery life reported by units is crap so instead of trying to remember when did I replace those coin cells I would simply recharge before the ride. Why can’t sensor companies report the battery status properly, in percentage, and not in “OK/Warning/Low Battery” (or even “OK/Low battery”)?
Out of curiosity – do people actually swap pedal bodies on products like this? Garmin has had swappable bodies for a while, Favero has them now as well, but do people care or do they simply buy two sets of pedals instead?
Kkk
Thank you Ray for all the work you put into every review. In your opinion, are there any reasons other than q-factor to switch from DUO SHI? How are the pedal bodies? Nicely weighted? Spin freely? Thank you.
This really does seem like a really good product. And it is really clear now that if you want a PM Pedal the FA are the ones to get. However, over at Escape I read this:
“The use of needle roller bearings and a bushing is said to support high dynamic loads while keeping pedal thickness low. But as Dave Rome noted in his review of the Assioma Pro MX2 SPD power meter pedals, this design introduced a small but perceptible amount of play at the pedal body, which may be noticeable to some riders while riding.”
The above is about the MX and not the RS, but since the spindle are the same I was wondering whether this is something you also perceived? Or is it so small that you need to be super sensitive to even notice it?
Are you going to review the Magene P715 as well?
With all those pretty happy customers using Magene spider powermeters, I guess it’s a fair question, is the P715 reliable and accurate? Than the same argument regarding the price difference between Favero and Garmin would hold for Magene and Favero…
Or, said differently, if the P715 is not rubbish, how much added value do you get when you buy Favero instead?
I’m not opposed to it. I just checked their site though, and it’s out of stock/unable to order (else, I’d have placed an order). Sure, I could easily request a review sample.
That said, in talking to someone that has a pair, it doesn’t sound super smooth sailing (to say the least). So once I can buy one myself, I’ll do that. I just don’t really want to deal with the endless back and forth between a company asking to re-test 12 times over, fixing their issues.
I can totally see how that would be a pita 😂
Sounds good.
And, if it turns out to be problematic, I guess people are fine with you not writing a full review, but just pointing out the issues…
Honestly, I thought going back and forth with companies and being a pita for them was your cup of tea 😁
Me being a pita is definitely my thing. It’s when a product is a pita that’s less desirable. I also know how certain companies work in this realm. Nothing wrong with Magene per se, they’re very friendly and willing to fix things. But I find there tends to be a lot of things that need fixing, and then asking to hold off on a review, me re-testing fixes, and back and forth….
Would I be able to swap the power spindles in these RS pedals with my existing Shimano PD-M8100 XT XC SPD Pedals?
No, only with Favero’s pedal bodies (RS for Shimano SPD-SL, or MX for Shimano SPD).
Cool. Thanks for the quick reply.
Sorry, maybe you said it but I did not understand: can I use the RS body on the MX spindles?
Is the magnetic charging connector the same as the original Assiomas Duos? In other words, can I buy the USB-C version to charge my old pod-based pedals, or is it slightly different? (I’m thinking it’s different, but confirmation would be good.)
Different: the original held with magnets resting partially on the spindle but contacting high up on the pod (as seen from the spindle as”low”), the new ones are held through mechanical flex (i think? That difference does not really matter for the question though) and have the contacts right down at the spindle. You can “USB-Cify” Assioma Pro MX with the new adaptors, but not OG Assioma.
Thanks, that’s too bad because I would gladly pay Favero for a USB-C adapter for the older pedals.
Djibey – I have the exact same issue. I find that pedals spin to freely which means I’m always messing with trying to get the second foot clipped in. Would love to know how freely these spin compared to the original duos.
favero the pedals Garmin should have made..
About the only thing i deviate from the Garmin platform
My Vectors are on old bikes, as is the Rotor.
Favero are awesome.
Ray, will you review the new Magene power pedal when will be available officially in Europe (already available in UK)? Great review as usual. Btw, streetprice for Garmin RS200 is 700 Eur which make them in competition with Favero. However, the usb c in Favero is definitely a game changer.
It Seems that garmin rs200 and the new assiomas Are Both about 700€ = Equal.
Is there a Chance that they are getting cheaper?
did they get rid of the duo-shi?
Guessing that the RS2 is limited to one bike and you can’t split pedals between two different bikes, correct?
If I knew that assioma would release this medal, I wouldn’t have bought the garmin rally rs200, but since I already bought it, it has to stay that way. I’ll console myself that I have a more expensive product, but with a replaceable and longer battery. Although I could also live with the shorter operating time in the favero.
I see that the q-factor is +53mm…what exactly does that mean? Is it or is it not 53mm?
It means it’s adding 53mm from the crankset. It’s just the formal way of writing it, that’s because that’s in addition to the bike q-factor itself.
Can you tell me what I would need to order – I just switched to Shimano XTR PD-9120, but I have a CX bike and a MTB with no power meter :( These pedals would seem to be a great fit. Do I order the Favero Assioma Pro RS (SPD-SL) Power Meter Pedals (Dual Sided) and do I need to order some type of additional fitting? I wouldn’t be using these for road. I have no experience with favero products, but these sound fab!
These are for road. The MTB version is the Assioma PRO MX-1 (single side) or MX-2 (dual sided).
Can you speak a bit more as to their release email? I’m curious about the “Fine tune your clear position” and “access in real time via our app”. Thanks for the Info!
Unlock deeper insights with a wealth of metrics, including the PCO, enabling you to fine-tune your cleat position and letting you chase that last split second of performance. Plus, access it in real-time via our Favero Assioma app.
Generally speaking, from a bike fit standpoint, you can use PCO (Platform Center Offset) to basically see if your cleats are correctly aligned on your shoes. If you look at the data and it’s skewed left or right, you could adjust your cleats slightly to have the weight centered on the pedal.
You can see the attached screenshot, indicates I could stand to substantially tweak my cleats to have it more centered. Or, I could keep ignoring it like I have for the last 15-18 years. :)
lol this is me. set up cleats by eyeballing it, sees PCO is +8 and +13, ignores until cleat change is needed. rinse, repeat.
Spindle design reminds me of something. Can’t quite remember what. :D
link to media.dcrainmaker.com
I wish Favero would also make smartwatches. I would immediately throw my entire Garmin ecosystem in the trash can.
How long does it take to swap between road and mtb pedal bodies?
I show it in the video. Or at least, I show half of it, the other half is simply doing the first half in reverse. So perhaps 60 seconds or so all-in.
To use on a Gravel bike, the only options available (pedals) are the Favero MX and Garmin’s Rally? Are there any others worth looking at?
Thanks
i just came here to say that favero’s pro mx pedals are one of the best things i’ve ever bought for my mountain bike. insanely accurate, durable enough to easily survive wild mtb adventures and a battery that lasts basically forever between charges. this, coupled with their amazing support (seriously, contact them for literally anything and you’ll get treated like you’re the only customer they’ve ever had…) means you have the best possible product in this category. just buy them, whatever flavor you need, and regret NOTHING
Does Favero intend to discontinue the DUO-SHI? I don’t see it on their site anymore.
(I’ve been talking to them recently about a set of my pedals that have developed too much play)
Hello,
Thank you for the review.
Seeing you point out the SRAM magic zero offset, I will go ahead and mention two bugs I have seen with Garmin edge head units and favero assioma duo pedals:
1) Lap time standing field in Garmin Edge not updating unless pausing/unpausing ride
2) time standing field in garmin edge regressing if manually starting a new lap while standing
Perhaps they are not bugs though, and instead user error or issues on my end.
Have a great day
Thanks for the explanation of the SRAM power meter issue & the Magic Zero feature. I got a new bike with SRAM Red last week (after years of di2 + Favero Assioma pedals), stopped for 80 seconds at the foot of a mountain that starts with ~5 minutes of 13-15%. The Red power meter was telling me I was doing 80w, with my heart rate maxed out, for seven minutes before I got to a small flat section, unclipped and did a manual calibration (I had no idea what was going on), and then resumed the climb, now showing 350w. I genuinely thought my new crankset might be broken, it was so obviously wrong I was shocked.
DC, any idea why US retailers are selling them at more than what Favero says the USD pricing is?
It’s definitely weird. I ended up ordering direct from the company last time and it was much cheaper. It might go up once they add in the tariffs for a US shipment.
Looks like about $25 more, my guess here would be something tariff-related.
I don’t know (frankly, I don’t think anyone can know/keep track of), the current tariff for an Italian made cycling power meter. So perhaps that retailer is trying to cover some portion of that.
Historically speaking, you were on your own for any tariffs/VAT/etc from Favero, since everything shipped from Favero directly in Italy (if buying from them directly). If there were middleman retailers, then they dealt with the ever-changing exchange rates and any import fees.
Interesting. “– Stack Height: 10.5mm”. Just checking, I think that’s the stack without the cleat and so +6mm for the cleat gives 16.5mm, which is comparable to the 15.8mm for the (ultegra) PD-R8000 or 14.6mm of the Dura Ace pedals. In fact exactly the same as the R6000 series. So for most then that’s close enough to be without issue swapping between (where I’d say 10.5mm to 16.5mm would be noticable to most).
And a second one @ray, that issue with magic zero, is that the same with Quarq Dfour spiders too?
Correct, Favero lists without cleats. I’ve gotta normalize all of them in a comparison table today.
As for Magic Zero, it technically would include the DFour spiders, since actually it was introduced there. That said, I never had issues with it till the last yearish (SRAM RED 2024). Meaning, I think something changed algorithm/firmware on their newer units that’s driving the errors.
Thanks for just joining as a DCR supporter!
Ha, by chance my membership expired today, and I wasn’t on autorenew.
Now get back to work on the FR970 full review please…. ;-) That said, 6 week lead time from Garmin over here on those so not too much rush.
One thing to add vs Garmin Rally pedals, is that I find Favero calibration much smoother. Unlike for Garmin, where it always takes ages and regularly returns errors, for Faveros it is quick and just works.
Hmm, that’s odd. I don’t see really any difference in calibration time? And honestly, never get errors.
Almost wonder if something is up with your set (assuming you’re clipping out of course), thus causing both the delays and, more importantly, the errors.
Hey Ray,
Thanks for the review. Is there any reason to upgrade from assiomas other than the cleaner look and usb C charging?
The main reasons to upgrade would be:
1) You really want PCO data
2) You want barely slightly better battery life
3) You prefer the USB-C charging connector pod (remember, it’s still a pod, just connected via USB-C)
4) In the case of Duo-Shi, you want reduced q-factor
5) You don’t like the look of the pod, visually
In the case of bikes that I have equipped with the existing Favero pedals, I don’t plan on buying replacement sets for those, till those pedals need replacing. They work perfectly fine.
FAQ
> rechargeable battery is welded directly to the circuit board and housed in a sealed environment, ensuring a reliable and continuous power supply to the electronics. In contrast, using replaceable batteries would require them to be located in the pedal body—rather than the spindle—to allow easy access for users. This setup would necessitate electrical contact points between the electronics in the spindle and the battery in the pedal body. Unfortunately, these connections are exposed to moisture, dust, mud, and vibrations over time, making them increasingly vulnerable to degradation. As a result, this structure could lead to unstable power readings or frequent signal dropouts, which don’t happen with our power meter pedals.
All of that is wrong. Garmin puts the replaceable coin cells into the spindle. And doesn’t suffer reading or signal issues.
Even worse. Favero states that the battery is welded to the circuit! You cannot use these pedals longer than a few years. They just try to save money in production, instead of using a screw and a rubber-ring.
I remember the Look Powerpedals here, similar design. The failed on first water contact.
PS: Kudos to Garmin for an appropriate solution.
Source
link to cycling.favero.com
Ray, do you know how durable the bearings are? Failing this how robust the bearings look?
I ask because the bearings on the Duo Shi spindles used a plastic sleeve (aka the adaptor) which ovalized very rapidly causing noticeable play in the pedals after ~ 1000km.
Hi Ray,
I currently have the Pro-MX2 (I am using them on my gravel bike) and I just ordered the RS pedal bodies with the intention to use them on my road bike.
The Pro-MX2 are of course already registered in the Favero app, once I have swapped the MX for RS bodies how can I re-register the pedals to be seen as Pro-RS in the app?
I got the first Assioma. What would be the reason for me to upgrade to these, apart from the Q factor and extended battery life?
This was answered by Ray here above in reply #77
Given that they didn’t change a thing on the spindle … couldn’t they very esay throw out a whole bunch of different pedal bodys? Or maybe some aftermarket?
Still waiting for a single side SPD one with larger body like the PD-ES600; for me the Duo-Shi is still better (even though the bearings a bad) because I can use this exact pedal body :)
Or maybe I’am wrong and this extra contact-area with the shoe doesn’t matter at all?
“Given that they didn’t change a thing on the spindle ”
Not sure I understand. It’s a totally different spindle from the original Favero Assioma Duo’s.