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Saris H3 Smart Trainer In-Depth Review

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CycleOps…err…now Saris is getting a bit ahead of the Eurobike show announcement flood by starting early. Today they’ve announced three new products. First, is this post – the Saris H3 (Hammer 3) trainer. This trainer gets a bit quieter while also getting a bit more accurate. Atop that they’ve announced their $1,199 MP1 motion platform that they previewed last year at Eurobike. And finally, they’ve announced their $329 TD1 trainer desk. I’ll be discussing those two products in another post once I get more hands-on time with them in the DCR Cave.

For now though, I’ve been rockin’ the H3 trainer over the last few weeks and have a pretty good grasp of things. I’ve been putting it through the ringer of apps including Zwift, TrainerRoad, and Rouvy. And of course, have a good idea of where it sits competitively today. By and large the Saris H3 isn’t a dramatic upgrade over the H2. But it does feature a new drive mechanism with a new belt as well, that’s resulted in a reduction of noise – though it’s not silent. They’ve also addressed, via firmware, issues related to power spikes in sprints seen on the H1/H2 trainers (those trainers also got the update a few weeks back). Additionally, they’ve added some internal cooling bits to keep it from overheating. And finally, price-wise they’ve undercut most of their higher-end competitors with a new $999 price point.

Note that as usual, I’ve got a media loaner to give a whirl. After I’m done I’ll have them pick it up and return it back to Madison, Wisconsin where it was built. Just the way I roll.

(Clarification on the whole CycleOps/Saris thing: After selling off PowerTap earlier this spring, the Saris Cycling Group has decided to further consolidate naming.  As such, effective now, the trainer brand is shifting from CycleOps to Saris. Thus, the Saris H3, not the CycleOps H3.)

What’s in the box:

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We’ll get right into things by getting out of the box. Above you’ll find the naked cardboard and black color scheme. I like it. Open it up like a jewelry box and you’ll find the H3 lying on its side ready for your rescue:

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Once you remove it from the box you’ve got the trainer still wrapped in a spare garbage bag like a dead body.

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Get it away from its packaging and you’ll find yourself a power cord package, some paper stuffs, and the trainer. Also, there’s thru-axle adapters. Oddly though, no quick-release skewer. I get that there are plenty of thru-axle folks out there, but not including a quick release skewer just seems cheap, given how many $80 trainers include it.

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The power cord does include a secondary bendy piece, allowing you to add that into the chain to give it a bit more flexibility.

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There’s even a small card with the ANT+ ID as well as the squiggly mark of the person to yell at if your trainer ever breaks. Which, to Saris’s credit, they’ve managed to avoid the numerous build/QC issues that others have stumbled into over the last 12-18 months. Perhaps others should do nifty QC cards too.

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The front wheel stand is hiding out underneath the H3 itself. It’s got a little cubby hole for it. We’ll dig it out later.  For now, let’s move right into setup.

The Basics:

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Like many trainers, in order to get things started on the Saris H3, we need to get a cassette installed on the back of it. The H3 doesn’t include one, though, we are seeing a slight shift in companies starting to include them – such as Elite with the Suito at $799. In any case, a typical cassette will cost you about $50, plus about $10-$20 for the tools if you don’t have them.

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I typically buy Shimano Ultegra cassettes for my trainers (mostly for sound-testing consistency across videos), but I’ve also done a few SRAM ones and whatever else happens to be on sale from the bike shop. It generally doesn’t matter, except sometimes you’ll find some of the lower end cassettes (like a Shimano 105) don’t quite sound as quiet as mid to higher-end ones.

In any case, with a cassette, you’ll need two tools. A lockring tool (or lockring + a wrench, in my case), and a chain whip. In this case, you need the chainwhip since you can’t get a good grasp on the flywheel.

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Once installed you’re ready to get cooking. First, go ahead and plug in the trainer. You can use the little extra cable bendy piece or not – your choice (you probably should, unless you’re living on the wild side).

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Then plug the other side into the wall. It’s a 100-240v power brick, so it can sway whichever way your voltage brings you electricity. There’s a glowing status light on the backside of the H3. The kind of status light that makes you feel warm and fuzzy, somehow.

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In case you didn’t already and are living life dangerously, now’s a good time to unfold the legs as well. The unit has locks on both legs that allow it to fold in/out and then lock in place.

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There’s also small adjustable feet on the bottom in case your floor is as uneven as a lumpy scone.

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And, while you’re down there fishing things out, go ahead and grab that front wheel plate and throw it towards the front of your trainer mat.

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Next, mount your bike. Well, I mean, mount your bike to the trainer. You can mount yourself to the bike if you want as well.

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Here’s roughly what that’ll look like once complete. Though, this is the Wahoo KICKR desk, since I don’t yet have the Saris TD1 desk to complete the postcard:

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So while we’ll get to apps and compatibility and such, let’s first start with road feel first. Like I always say – for me personally, it’s hard to separate the fact that I’m riding indoors from outdoors. It’s still a trainer, and I’m still looking at a wall in front of me.  My brain can only turn off so much of that.  Still, much of the road-like feel is driven by the flywheel, and be it physical or virtual, flywheel sizes tend to be measured in weight.  This impacts inertia and how it feels – primarily when you accelerate or otherwise change acceleration (such as briefly coasting).

That caveat said – it feels pretty good. One of the better options for sure on the market, though I’m not quite sure it’s the best. I’d say it’s very close between it and the Wahoo KICKR 2018. I would say the road-feel is better on the H3 than the Tacx NEO/NEO 2 though.

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Next, there’s the sound aspect. As noted, this isn’t a silent trainer in the same way that Wahoo talks about silence for their CORE/KICKR lineup. But it’s also not hideously loud like the CycleOps H2 was. It’s sorta middle-ground. More specifically, it’s sub-fan levels. Meaning, your fan is louder than it. To demonstrate that in the most efficient way possible, here’s a very simple video of me getting on the trainer (while it was still spinning down a bit, which is what you hear initially), and then doing a short sprint and stopping. Saris says that the unit is “5X quieter than the H2”, and honestly, I believe that:

As you can hear, it’s mostly drivetrain that you’re listening too – not trainer. The freehub is fairly loud when I stop pedaling, but that’s the case of the KICKR as well. The solution there is obvious: Don’t stop pedaling. Ever.

Now given the H3 is a smart trainer, it’ll change resistance automatically in a few different ways, primarily driven by different applications/methods.  But most of this all boils down to two core methods:

ERG Mode: Setting a specific power level – i.e., 230w.  In this mode, no matter what gearing you use, the trainer will simply stay at 230w (or whatever you set it to).
Simulation Mode: Simulating a specific outdoor grade – i.e., 8% incline. In this mode, it’s just like outdoors in that you can change your gearing to make it easier or harder.  Wattage is not hard-set, only incline levels.

In the case of simulation (aka slope) mode, the Hammer 3 can simulate from 0% to 20% incline – which is so-so for this price point (some go upwards of 24-25%).

The second mode the trainer has is ERG mode.  In that case, the company claims up to 2,000w of resistance at 40KPH. Although, realistically, you don’t care about that. I can only barely break 1,000w for a second or two, and even most front of the non-pro pack cyclists aren’t going to top 1,800w.  The pros would only be just a bit beyond that.  Said differently: Peak numbers don’t matter.  Instead, what matters is actually a harder metric to make clear – which is the ability to simulate high grades and lower speeds (especially if you’re a heavier cyclist).

One core test I do with all trainers though is responsiveness: How quickly does it respond to ERG mode changes? I typically do that with my 30×30 test via TrainerRoad, though it doesn’t really matter what method you use as long as you’re looking at big shifts in wattage:

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And the H3 easily passed this test. In fact, it did it really well. The control exhibited by the trainer in maintaining the wattage set-point was easily the best I’ve tested this season, including things not yet announced. It’s really strong. I remember talking with one of the leads at TrainerRoad a year or so ago, and he mentioned how for his personal use he really preferred the CycleOps Hammer because of how precise it was in ERG mode. There’s no doubt that tradition has carried through to the Saris H3 as well.

App Compatibility:

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The H3 follows the industry norms as you’d expect from most trainers these days.  As you probably know, apps like Zwift, TrainerRoad, SufferFest, Rouvy, FulGaz, Kinomap and many more all support most of these industry standards, making it easy to use whatever app you’d like.  If trainers or apps don’t support these standards, then it makes it far more difficult for you as the end user. The H3 includes all the same goodness as the H2 did, including cadence transmission over Bluetooth Smart and ANT+ (something Wahoo still omits – Update, now, as of Sept 5th, 2019 they’ve added it).

The H3 transmits data on both ANT+ & Bluetooth Smart as well, allowing interactive resistance control across both ANT+ & Bluetooth Smart.  By applying resistance control, apps can simulate climbs as well as set specific wattage targets.

In any case, the H3 mirrors past protocol support and includes the following protocol transmission standards:

ANT+ FE-C Control: This is for controlling the trainer via ANT+ from apps and head units. Read tons about it here.
ANT+ Power Meter Profile: This broadcasts as a standard ANT+ power meter, with speed and cadence baked in as well.
Bluetooth Smart FTMS Trainer Control: This broadcasts as a standard Bluetooth Smart FTMS trainer (which is the Bluetooth version of the ANT+ FE-C protocol).
Bluetooth Smart Power Meter Profile: This broadcasts as a standard BLE power meter with speed as well as cadence.

The key takeaway from this is that it not only supports everything you’d need from any apps you’d need – but also transmits cadence within the signals, making it easy to pair up to an Apple TV.  Tacx, Elite, and Kinetic also do this – but Wahoo remains the odd man out that doesn’t include cadence transmission.

Baked in cadence data is handy if you’re connecting to Zwift on an Apple TV, due to Apple TV’s two concurrent Bluetooth Smart sensor limitation (plus the Apple TV remote).  This means you can pair the trainer and get power/cadence/control, while also pairing up a heart rate strap. Whereas on a Wahoo trainer you don’t get cadence with the data stream from the trainer, so you need to choose between heart or cadence as your second sensor type. Sure, you can technically use the Zwift companion app to bring in 3rd or more sensors – but I find that’s finicky as heck and rarely works well (if at all).

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It’s these same standards that also allow you to connect via head units too. For example the Wahoo ELEMNT/BOLT/ROAM as well as Garmin Edge series support ANT+ FE-C for trainer control, so you can re-ride outdoor rides straight from your bike head unit to your trainer. For example, for my accuracy testing section, I recorded the data on a Garmin Edge 530 as well as the trainer apps themselves.  From there I’m able to save the file and upload it to whatever platform I like. I also recorded it on a Garmin Forerunner 945 too on one ride:

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For me, in my testing, I used Zwift and TrainerRoad as my two main apps (which are the two main apps I use personally), with a side dish of Rouvy for one test as well.  In the case of Zwift, I used it in regular riding mode (non-workout mode), whereas in the case of TrainerRoad I used it in a structured workout mode. For Rouvy it was in power meter transmission mode.  I dig into the nuances of the TrainerRoad and Zwift data within the power accuracy section. Here you can see the H3 paired up with Zwift though on Apple TV:

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You’ll notice that I’ve got all the sensor types from the trainer included without issue.

And here in TrainerRoad using Bluetooth Smart on an iPad:

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And here it is within Rouvy on Apple TV:

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As with many trainers, I’d recommend doing an occasional calibration – especially after you move it, or after the temperatures have shifted significantly.

Saris does have an app that’s set to be released shortly, but it’s not yet functional with the H3 trainer. That’ll allow you to do both calibration and firmware updates from both Android and iOS.  In the meantime, for calibration, you can use any number of 3rd party apps to do so. For example, here’s me using TrainerRoad on my iPad. Once you reach that speed you can stop pedaling, after a number of seconds if you give a spindown time. At which point the calibration is complete.

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You can also perform this calibration from within Zwift too:

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In my testing I didn’t find this necessary every time – things seemed to be surprisingly consistent for me (I only did it once). Still, again my general recommendation here would be that anytime you move the trainer, or if there’s significant shifts in temperature in the spot you’re operating it in (such as in a cold wintery garage), to do a calibration about 10-15 minutes in, just to be sure.  That’s pretty consistent with what I’d recommend for any trainer except the Tacx Neo 1/2, which require no calibration (and don’t even have the option to do so).

Finally, some will ask about Wahoo KICKR CLIMB compatibility. No, the unit is not compatible with the Wahoo CLIMB, and it doesn’t sound like there’s any plans to make that happen (from either the Wahoo or Saris side). Instead, Saris would have you look at their new MP1 movement platform – albeit at twice the price of the KICKR CLIMB, some $1,199 versus $599. But to each their own.

Power Accuracy Analysis:

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As usual, I put the trainer up against a number of power meters to see how well it handled everything from resistance control accuracy, to speed of change, to any other weird quirks along the way.

In my case I used one primary bike setup as follows in two configurations:

Canyon Bike Setup #1: Garmin Vector 3 pedals (dual-sided), 4iiii Precision Podium (dual-sided)
Canyon Bike Setup #2: Garmin Vector 3 pedals (dual-sided), Quarq DZero

This is all in addition to the trainer itself.  Note that because you remove the rear wheel I can’t use something like a PowerTap hub to compare as well (which I would use in power meter testing normally).

In my case, I was looking to see how it reacted in two core apps: Zwift and TrainerRoad (Bluetooth Smart on Apple TV and iPad), but I also did some work on Rouvy in beta on Apple TV – so there’s that for you. The actual apps don’t typically much matter, but rather the use cases are different.  In Zwift you get variability by having the road incline change and by being able to instantly sprint.  This reaction time and accuracy are both tested here.  Whereas in TrainerRoad I’m looking at its ability to hold a specific wattage very precisely, and to then change wattages instantly in a repeatable way.  There’s no better test of that than 30×30 repeats (30-seconds at a high resistance, followed by 30-seconds at an easy resistance).

There’s two ways to look at this.  First is how quickly it responds to the commands of the application.  So for that, we need to actually look at the overlay from TrainerRoad showing when it sent the command followed by when the H3 achieved that level.  Here’s the levels being sent (the super hard to read green line) by TrainerRoad (in this case via Bluetooth Smart on iPad) and how quickly the H3 responded to it:

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Just beautiful. Reaction time on virtually all of the steps was sub-3 seconds, and it nailed and held the wattage very close. The reason there’s a yellow line on the 8th interval is that’s exactly when I took this screenshot – it’s not done yet! In any case, again, the cleanest resistance hold in ERG mode I’ve tested this year. A clear winner.

But what about accuracy? I’ve tested some trainers that can hold a number really well – but it’s just the wrong number. Thankfully, that wasn’t the case here. In this first accuracy chart we see it plotted against the Garmin Vector 3 pedals and the 4iiii Precision Podium dual-sided units. All are within a few watts the majority of the time. Here’s that data set:

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You know what I like about this chart? It’s correct.

Seriously. This has been the summer of testing trainers with crappy accuracy, and it’s nice to just see a darn trainer that does what it’s told. The secondary benefit to that is that I get to type less.

However, I did see one itty bitty blip after the last 30-second interval that you see above, wherein the H3 seemed to drop communications for a second or two. It didn’t impact accuracy or holding the resistance level. And I haven’t seen it on any other rides.

Next, let’s switch over to Zwift, and in particular the new Titans Grove course. I’ve been using this for testing all new trainers since it came out earlier this summer, and it’s been great for two reasons. First, I start off on the desert side on the flats, so I can test some stability there. And then after that it’s non-stop rollers as you climb up into the mountains a bit. It finishes back on the desert flats where you can throw down on the sprint again. Here’s those data files:

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Again – what do you notice? They’re all the same. Or, within a few watts (and even in the proper order). First, let’s check out my first warm-up sprint more closely:

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So here you see a few minor things. First, there’s a very slight bit of delay/lag in the above on the H3 – about 1-2 seconds that you can see. Not the end of the world, but it is visible, primarily in sprints it appears. I suspect this is tied to their new algorithms to get rid of the ‘bonus’ Hammer sprint spikes previously seen on other units.

If I look into the rolling hills section, it’s very close to others, but we see again about 1-2 seconds of variance between the various units. That could however be attributed to multiple recording devices. Maybe. Still, we’re nitpicking at best.

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A look at my final sprint finds things very very close for the peak power. I’m happy with that:

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And looking at the Mean-Max power curve, things are very good there too:

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But there is one catch though: The built-in cadence number:

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That’s hot garbage. I mean, it’s fine when you’re at steady-state intensity, but those drop-outs that you see above are tied to sprints in most cases, or surges in power. It’s here that things have troubles.

Let’s see if we see that elsewhere. So let’s switch over to Rouvy and give that a whirl there. Note I’ve swapped out the 4iiii crankset for a Quarq DZero.

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Overall not too shabby here. I was surging the power a bit here and there on this augmented reality course, but things were pretty close together. Perhaps a couple watts high in some sections, such as this:

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But the graph might make things look worse than it is – if you look at the exact values listed up there, we’re talking +/- 5w off the centerline power device here. Super-duper close.

Though, on this longer sustained 3-minute or so section at 350-400w – we see a bit of overcommit there compared to both Vector 3 and the Quarq DZero unit. This could be a gearing-specific thing, as that’s sometimes the case on certain trainers.

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In terms of cadence on this ride – things were good, save three specific dropouts – so better than on Zwift, though the apps have nothing to do with this (I record the data outside the apps). It’s more than likely just the exact shifts in power that trigger the cadence drops (like on the Zwift Titans Grove rollers):

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Overall though – things are very good accuracy wise in my data sets from a power standpoint. It’s very fast to respond on ERG mode, and just as accurate along the way. The only downside from an accuracy standpoint is really the cadence – which seems to struggle with large shifts in power.

(Note: All of the charts in these accuracy portions were created using the DCR Analyzer tool.  It allows you to compare power meters/trainers, heart rate, cadence, speed/pace, GPS tracks and plenty more. You can use it as well for your own gadget comparisons, more details here.)

Trainer Comparisons:

I’ve added the Hammer 3 into the product comparison database.  This allows you to compare it against other trainers I’ve reviewed.  For today I’ve compared it against the Wahoo KICKR 2018, Tacx NEO2, and Elite Drivo II…and the slightly less expensive KICKR CORE (but spec-wise competes very well).  But given next week is Eurobike and plenty of announcements are expected, look for me to revamp this default listing in the coming week with other comparisons as new models come out.

Function/FeatureSaris H3 (CycleOps Hammer 3)Tacx NEO 2 SmartWahoo Fitness KICKR COREWahoo KICKR 2018Elite Drivo II
Copyright DC Rainmaker - Updated August 29th, 2019 @ 11:58 amNew Window
Price for trainer$999$1,399$899$1,199$1,199
Trainer TypeDirect Drive (no wheel)Direct Drive (no wheel)Direct Drive (No Wheel)Direct Drive (No Wheel)Direct Drive (no wheel)
Available today (for sale)YesYesYesYesYes
Availability regionsGlobalGlobalGlobalGlobalGlobal
Wired or Wireless data transmission/controlWirelessWirelessWirelessWirelessWireless
Power cord requiredYesNoYesYesYes for broadcast, no for general use
Flywheel weight20lb/9kgSimulated/Virtual 125KG12.0lbs/5.44kgs16lbs/7.25kgs13.2lbs/6kg
ResistanceSaris H3 (CycleOps Hammer 3)Tacx NEO 2 SmartWahoo Fitness KICKR COREWahoo KICKR 2018Elite Drivo II
Can electronically control resistance (i.e. 200w)YesYesYesYesYes
Includes motor to drive speed (simulate downhill)NoYesNoNoNo
Maximum wattage capability2,000w2,200w @ 40KPH1800w2,200w @ 40KPH2,296w @ 40KPH / 3,600w @ 60KPH
Maximum simulated hill incline20%25%16%20%24%
FeaturesSaris H3 (CycleOps Hammer 3)Tacx NEO 2 SmartWahoo Fitness KICKR COREWahoo KICKR 2018Elite Drivo II
Ability to update unit firmwareYesYesYesYesYes
Measures/Estimates Left/Right PowerNoYesNoNo9EUR one-time fee
Can rise/lower bike or portion thereofNoNoWith KICKR CLIMB accessoryWith KICKR CLIMB accessoryNo
Can directionally steer trainer (left/right)NoWith accessoryNoNoNo
Can rock side to side (significantly)NoNoNoNoNo
Can simulate road patterns/shaking (i.e. cobblestones)NoYesNoNoNo
AccuracySaris H3 (CycleOps Hammer 3)Tacx NEO 2 SmartWahoo Fitness KICKR COREWahoo KICKR 2018Elite Drivo II
Includes temperature compensationYesN/AYesYesN/A
Support rolldown procedure (for wheel based)YesN/AYesYesYes
Supported accuracy level+/- 2%+/- 1%+/- 2%+/- 2%+/- 0.5%
Trainer ControlSaris H3 (CycleOps Hammer 3)Tacx NEO 2 SmartWahoo Fitness KICKR COREWahoo KICKR 2018Elite Drivo II
Allows 3rd party trainer controlYesYesYesYesYes
Supports ANT+ FE-C (Trainer Control Standard)YesYesYEsYEsYes
Supports Bluetooth Smart FTMS (Trainer Control Standard)YesYesYEsYEsYes
Data BroadcastSaris H3 (CycleOps Hammer 3)Tacx NEO 2 SmartWahoo Fitness KICKR COREWahoo KICKR 2018Elite Drivo II
Transmits power via ANT+YesYesYesYesYes
Transmits power via Bluetooth SmartYesYesYesYesYes
PurchaseSaris H3 (CycleOps Hammer 3)Tacx NEO 2 SmartWahoo Fitness KICKR COREWahoo KICKR 2018Elite Drivo II
Amazon LinkLinkN/AN/ALink
Clever Training - Save with the VIP programLinkLinkLinkLinkLink
Clever Training EuropeN/ALinkLinkLinkN/A
DCRainmakerSaris H3 (CycleOps Hammer 3)Tacx NEO 2 SmartWahoo Fitness KICKR COREWahoo KICKR 2018Elite Drivo II
Review LinkLinkLinkLinkLinkLink

Don’t forget you can mix and match your own trainer product comparison tables using the database here.

Summary:

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Prior to riding the H3, I was skeptical that Saris ‘gets it’ in terms of offering a competitive trainer for the 2019 season. But after riding it, and looking at the data, and looking at their competitors – I think they may be in a better situation than one might think at first glance. The ERG mode responsiveness is the best I’ve seen on a trainer this year. If we account for last year, I’d say the Elite Drivo II gives it a run for its money for sure. And on regular SIM (e.g. normal Zwift) mode accuracy, it’s fairly good as well. Happy there.

The only two downsides are the cadence algorithms need work any time significant power shifts are applied to it. And secondly, it’s still not as silent as the Wahoo CORE/KICKR or Tacx Neo/2. But it is quieter than most other trainers, so I think for now it’ll hold it’s own.

And I think the $999 price point does a good job at undercutting the higher end Wahoo/Tacx trainers, though it does struggle a bit to compete with the slightly less powerful but also slightly cheaper options from Tacx and Elite – especially when you look at ones including cassettes (like the Elite Suito). On the flip-side, if you’re living in a TrainerRoad world (or any other ERG mode app), there’s no better trainer than this for nailing ERG workouts best I see at this point. Those trainers simply don’t perform as well as the H3 does in ERG mode.

With that – thanks for reading, and stay tuned for plenty more to come from Eurobike!

Found this review useful? Or just want to save 10%? Here’s how:

Hopefully you found this review useful. At the end of the day, I’m an athlete just like you looking for the most detail possible on a new purchase – so my review is written from the standpoint of how I used the device. The reviews generally take a lot of hours to put together, so it’s a fair bit of work (and labor of love). As you probably noticed by looking below, I also take time to answer all the questions posted in the comments – and there’s quite a bit of detail in there as well.

I’ve partnered with Clever Training to offer all DC Rainmaker readers exclusive benefits on all products purchased. You can read more about the benefits of this partnership here. You can pick up the Saris H3 trainer through Clever Training using the links below. By doing so, you not only support the site (and all the work I do here) – but you also get to enjoy the significant partnership benefits that are just for DC Rainmaker readers – namely in this case 10% off your order using DCR Coupon Code DCR10BTF. And, if your order ends up more than $49, you get free US shipping as well. Double-win!

Saris H3 Trainer
Saris TD1 Trainer Desk
Saris MP1 Motion Platform Crazy Thing

Thanks for reading! And as always, feel free to post comments or questions in the comments section below, I’ll be happy to try and answer them as quickly as possible.

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49 Comments

  1. Anirudh

    At $999, it can eat into both Kickr and Kickr Core sales (with CT\REI 20% coupons). Looks like being a late mover worked out well for Saris.

  2. Nigel Doyle

    Nice but how well does it respond to terrain changes on Zwift? This was the biggest problem with the hammer i.e. couple of second lag changing resistance when you hit a hill.

  3. Chader

    Thanks for the review. I have been very pleased with my prior Hammer and H2 trainers. They still have the best “feel” of any I have tried (Kickr17 & Neo2 included). And I also agree that the ERG performance within TR is on top of the heap too.

  4. GB

    Seems like a solid evolutionary upgrade from the H2, but nothing too radical or upgrade worthy for existing Hammer/H2 owners. After the KICKR ’18 disaster (3 failures), I was able to get a refund and moved to a Cycleops H2 a few months ago, which I’ve been overall pretty happy with. Certainly not worth it to upgrade to an H3 for a few less decibels and a slightly higher bit of accuracy, but if I was in the market for a smart trainer, I’d put the H3 near the top of my list.

    The one annoyance I have with my H2 is when when using a thru axle, the body of the H2 gets in the way of the TA handle when tightening the frame to the trainer, so you need to use a TA that tightens with a hex wrench. Unfortunately, it looks like they have not fixed or changed that in the H3. Minor annoyance, but unacceptable considering that more and more bikes are using TAs now.

    • JD

      @GB — What type of thru-axle do you have that doesn’t allow you to pivot the handle?
      I’ve got DT Swiss with my H1 and it works fine (tighten 180+ degrees, lift handle to reset, tighten more, repeat).

    • GB

      It’s on my Giant Defy. Basically the handle has a hex key that attaches to the actual axle with teeth (and then tightens permanently to the axle with the hex key), but it doesn’t rotate freely like a typical QR axle or like the one you describe. I can remove the hex key on the handle and use the handle as a wrench to tighten the frame against the H2, and then replace/tigthen the handle hex key at the end. A bit hard to explain without pictures. Like I said, it’s a minor annoyance that I didn’t have with my KICKR, and I’m a bit surprised this wasn’t fixed in the H3, though, it’s probably a bit difficult to fix without significantly redesigning the trainer frame and flywheel.

      https://www.giant-bicycles.com/ie/tcr—defy-disc-brake-thru-axle–front—rear-

      Fortunately, I have a hex bolt TA that I used with my old Kinetic fluid trainer, so I just use that when I ride my Giant indoors, so it’s not a huge deal either way.

  5. Dude guy

    Looks like a winner to me. Is anyone else offering a lifetime warranty? After watching the complete failure of wahoo this year (that company deserves to be out of business in my opinion) A lifetime warranty is almost a more important selling feature than anything else. Would be neat to compare warranties in that table you have.

    • Chader

      For clarity, the Lifetime Warranty only applies to the frame of the trainer.
      Electronics are 2 years.
      Belt, pulley and freehub (Hammer series, not Magnus series) are 1 year.

      Not knocking it because I do think it is a great warranty, but the “Lifetime” part is limited.
      link to saris.com

    • dude guy

      Thanks for clarifying. Ugh. That is shitty.

    • Chader

      Wahoo is one year, period for the entire trainer. EU is 2 years total per their laws.

      Tacx is two years (no apparent difference US/EU).

      Elite seem to hide there info on the site somewhere.

      The Saris warranty is better in ways and worse in others when compared to other trainer makers.

    • Eli

      I think the warranty is pretty important to mention. Especially when you might not use the device all summer and then start using it again when it turns cold. So might have failed over the summer and start use just after the warranty expired

    • StephenB

      To be fair, Saris customer service is top notch, as is Wahoo. The lifetime warranty limitations are to a certain extent just to cover legal bases.

      In my experience – with older fluid models, is that they go above and beyond to replace parts when they legitimately break from normal use.

      Realistically the internals aren’t going to go pop on the H3. And if they do, they’ll jump on it pretty quickly.

    • kwemple

      What are the specifics regarding the negative Wahoo comments? I have an older model Kickr. Each time I required support, Wahoo either fixed the trainer or gave me another (my office very close to Wahoo HQ). Please provide some details. I am considering purchasing the newest Kickr version

    • Pat

      Agreed on Saris customer service really taking care of its customers. I had an older Fluid2 unit that failed well outside of its warranty period. After a quick phone call, I was able to purchase a new resistance unit direct from Saris no questions asked, for less than I could get a used one on cragslist. For that, they will be the first stop when i go looking for a new trainer.

      Now if only my thrashed to hell and back again knees would play nice with ERG mode…

    • StephenB

      More relating to earlier issues with the Kickr18 post release. All fixed with 2019 models.

      Not totally without issues – no trainer is, even the top-end ones. It’s still the best looking IMO, and rock solid. Only quibble I have is the flywheel quality and balancing. At high speed – lower power there is a distinctive resonance.In ERG mode it’s fantastic.

      And no integrated cadence. They REALLY have to sort that for v5.

  6. Patrick

    I am so dang impressed with the H2 that it’s hard to believe there was much room for improvement. Both of my fans make more noise, it’s super accurate, responsive, and just works. My Powerbeam Pro was great, my Fluid2 before that was great. Saris makes great products and backs it up with great service. This price point should make them EXTREMELY competitive.

  7. Chris Benten

    I your intro comment…you usually note you will send back and purchase on your own…but no purchase this time…too many trainers in cave?

    • Nah, just a case of too little coffee to remember the re-purchase part of the usual intro. But yeah, I’ll go out and get one eventually (probably when it’s on sale) and add to the cave stock.

  8. Marc Teichmann

    I haven’t updated firmware on my Hammer 1 in a while. You mentioned there was an update a few weeks ago. Will that give my Hammer 1 better response time on gradient changes in sim mode on Zwift?

  9. What exactly are the “internal cooling bits”? I’m dying to see pictures of the internals! Assume they are using a ribbed belt now similar to what the KICKR uses.

  10. Gary

    Hi DC,
    Can you clarify or point me in the direction of what the +/-2% means?
    If I’m doing 300w today is it going to be the same as 300w tomorrow on the same trainer or could 300w today be 291-309w tomorrow?

    Regards

    • If you’re doing 300w today, it means that it could really be 306w or 294w. Or, it could be 300w. Tomorrow, it could still be 300w, or 304w, or 306w.

      Generally speaking these metrics are good for steady-state type power values (i.e. holding power at 250w), but less ideal when talking sprint accuracy (e.g. a 948w sprint lasting 3 seconds).

    • Gary

      Thanks. (I just realised me bad maths on the 2%!)
      I have Noticed that for a given power on long steady state efforts the cadence required is sometime 1-2rpm different for the same power.

      When there is nothing else to think about on the trainer…this often crosses my mind!

      When I make a 8w gain on 300FTP…the reality is it may just be error margins.

    • Yup, definitely true on margins gains potentially being fake news.

      In general, I’d focus more on regular calibration/spin-downs (of trainers and power meters) – anytime you use a power meter, and then every week or two for trainers. And then looking at trending. If you see an outlier, it probably means that unit or calibration was bad, moreso than an awesome (or bad) performance.

    • Paul S.

      Your 8 watt gain on FTP might be real, since FTP is based on many activities and errors tend to average out. If you reliably put out exactly 300 w every day (good for you!), then over time 300 w is what all of your measurements from your power meter should average to, so things like FTP have smaller error bars than each individual measurement. The more trials, the more exact the number should be (roughly improve as 1/sqrt(N), so 100 activities should have an error bar for the average 1/10 of the error bar for each individual measurement). Of course, there’s an immense amount of statistical literature on this. The assumption is usually that errors are “Gaussian”, distributed in a particular way, but if they’re actually not, then simple “+/- 2%” type statements and statements about averages simply aren’t right. Of course, you’re not going to put out exactly 300 w every single day, so that complicates things as well.

  11. StephenB

    It’s good to see Saris has listened. With the price point and functionality they should be onto a winner in the mid to top-end trainer bracket. Their customer service is exceptional, and they seem to have a clearer vision than before. I hope this filters down to the lower end models where a full-scale trainer cull needs to happen. The age of wheel-on trainers is ending, and a lower-end direct drive model to replace the magnus / powerbeam / fluid would really fix them in the market, the same way that Tacx has.

    That you and GPLama have issue with the cadence indicates a general issue, which I’m sure a firmware update down the road will sort – and help with the simulated power variances.

    Still, the rocker plate. What were/are they thinking? Would have much preferred some form of cross-compatibility with the climb, or even bring out a similar ‘ascent’ hardware.

    Now, I wonder if Wahoo will come out with a Kickr20 (v5) with cadence any time soon…

    • Chader

      “Would have much preferred some form of cross-compatibility with the climb…”

      The MP1 will work find with a Wahoo Climb, once you remove the front wheel support. Many of us are using the Climb on full length rocker plates, and the MP1 will work in the same way once that change is done.

    • StephenB

      Cross-compatibility was about the H3 being able to use the climb. Presuming it uses some form of generic ant+/BTE signal. But appears H3 is a fixed axle trainer.

      Rocker plates are so 2018! 😉

    • Chader

      Ahhhhh, I see. The first part of that paragraph referenced the rocker plate, and I assumed that was the reference (not switch to the H3, and the time being better spent on making it Climb compatible). Makes sense and would be nice to have the Climb more widely mixable.

      Yeah, the non-rotating axle on the H3 is one limiter. The other is the current lack of communication between the Climb and any non-Wahoo trainer. There were some comments in a DCR thread about a possible connection between Wahoo Climb and Tacx Neo (via the CEO’s no less), but we haven’t seen anything real out of them yet.

      And rocker plates are so late 2015 for me (first one built in Dec ’15 😛 )

    • Wahoo ultimately backtracked on their promise for 3rd party Climb integration. Tacx (and others) were ready to go with it, Wahoo said no.

    • John

      Funny how Wahoo benefits from Garmin’s open ANT+ Radar standard, but they don’t reciprocate when it comes to their own Climb hardware. ¯\_(ツ)_/¯

  12. Simon

    Thanks for this, and all of the other reviews 🙂
    I notice you write “And here it is within Rouvy on Apple TV:” followed by a picture

    Is this a native Apple TV app or are you air playing?

    I’ve not been able to find an Apple TV app for Rouvy – I’d love this as an alternative to Zwift

  13. Patrick

    I think it’s interesting that you always say you wish high end trainers came with a cassette while you wouldn’t necessarily expect less expensive trainers to come with one. I see the opposite way.

    I would think that most people buying a trainer that costs say $900 USD and up are pretty serious cyclists (might be an inaccurate assumption, I don’t know for sure) and would have a preferred cassette model and size that they would want to use. If you’re using Zwift or something with SIM mode then cassette size matters even more and you’d want one to suit your abilities and preferred cadences. And with 12 speed drivetrains making their way into the market that may or may not have the same cog spacing, many people with high end drivetrains who buy high end trainers would need to get the right cassette for their drivetrain.

    On the other hand, I think cyclists who buy trainers in the $500-$800 USD range are pretty likely to have a bike with either 105 or Ultegra because of Shimano’s recent OEM dominance so they are safe there as far as compatibility (but again, this will likely change in the next couple years). They are probably also less likely to care which specific cassette they have on their trainer.

    It’s kind of like when people are surprised that multi-thousand dollar bikes don’t come with pedals; it’s because the first thing the customer would do when they bought the bike is take those pedals off and install their preferred pedals.

    • I guess the challenge with that is that the most popular higher end smart trainer – the KICKR – has always been sold with a cassette.

      For the 12-speeds, people will have to buy XDR adapters anyway. And honestly, I supsect that’s between 1/200th and 1/500th of people buying a new smart trainer (and even that might be high).

    • John

      There is also a dearth of information about planned support for Shimano’s new Micro Spline 12-speed hubs.

      It would make logical sense to assume trainers that support XD/XDR could also support Micro Spline, but so far Shimano has been stingy approving licensees for their new hub design. Hopefully this will open up when 12-speed DuraAce groupsets drop this fall/winter/spring.

  14. Joe

    Seems like a best option for my TrainerRoad use. I just wish they had better distribution in Europe. Any chance it will be available on EU CleverTraining site also?

    • They’re trying to get it listed. Apparently there was a change in the upstream CycleOps/Saris distributor in the UK for Clever Training, and it’s been a bit of a…struggle…getting stuff super-fast for initial listings.

  15. Dave

    The biggest issues with the H2 were the 1)noise, 2) cadence accuracy, 3) power overshoot in sprints, 4) ERG responsiveness

    It seems as though 3 has been resolved for both H2 and H3 and 2 has yet to be “fixed” for either.

    Assuming you can find an H2 for $800 or less, if you don’t care about the noise, any opinions on whether the H2 is the better buy? Is the ERG responsiveness that much improved over the H2? Other considerations?

    • The noise is a lot less. Silent? No, but really darn quiet. ERG mode responsiveness was really good on the H2 though, super good. That wasn’t an issue. As you noted, power sprints has been solved.

      As for the H2 and sales, you’re in luck. For this weekend CT is running a Labor Day sale, which gets you 20% off with coupon code Labor Day. The H2 is one of the products in that sale: link to clevertraining.com

      (And using the above link helps support that site and makes you awesome. Unless you live outside the US, in which case no sale for you. But I’ll give you honorary awesome status just cause.)

  16. Johnathan Freter

    Has Saris updated the plastic body or does the RD cage still hit when you’re in the biggest gear? That is my biggest issue with the Hammer that I have!

    I also wish they’d make a 120mm rear axel spacer so I could chuck my track bike on it.

  17. Madcyclist

    Hi Ray,

    I know this might be at a bit of a tangent but I’ve noticed that the Elite Zuma finally seems to be available after it’s failed launch of last year. This delay however seems to have stopped any reviews from being published. Are you planning on doing one yourself? Given they’re available in the UK for £450 they would seem to be a good deal for a direct drive trainer. Any thoughts?

  18. Dan

    Might not be the right place to ask, but can/will Wahoo add cadence inclusion via firmware update?

  19. critwannabe

    I have been debating since I saw this get launched but cant decide if it is worth while! I have a Hammer 1 would it be worth going to the H3? I train exclusively indoors and pretty much only race outdoors.

    So would it be worth it? It seems there isn’t much of a difference? to make it worth it.