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We've built our quads testing bike trainers for the last 6 years, testing 22+ different models hands-on. Our update features the best 10 options on the market today. We take a look at a wide range of options, carefully considering the needs of different riders, the support offered by companies, and the value each trainer provides. To do this, we spent hundreds of hours in the GearLab pain cave, tinkering and assembling, sweating, and analyzing with our laptops the best options out there. This comprehensive review doesn't just compare and contrast each product, but we offer our recommendations, too, to help you find the best trainer you need for your ambitions.
Editor's Note: We updated this article on March 14, 2023, to ensure our lineup is up to date. The individual review for the Wahoo Kickr has also been revised with information on the latest version of that model.
If you want the cream of the crop, look no further. The Tacx Neo 2T Smart earns our highest honors. This trainer is probably the smoothest ride out there, yet when you're Zwifting around on terrain like cobbles and boards, it'll bump and rumble to simulate it. It's the only trainer to simulate freewheeling on descents. This smart trainer uses ANT+ FE-C and Bluetooth Smart FTMS to sync up with a range of training apps to control it during virtual workouts and training sessions. It never requires calibration and is the most accurate power reader on the market. Did we mention it requires zero calibration? If there's no power outlet nearby, no problem — it will run on your power as you ride, so you can still sync up to your phone and control resistance. This is one of the more versatile trainers out there, fitting most frames, axles, and the three major cassette brands, Shimano, SRAM, and Campagnolo (make sure to look into adapters and hubs beforehand).
You might be thinking, why consider any other trainer? There are a few things to consider before diving all in on the Tacx Neo 2T. For starters, this is one of the heaviest trainers we tested. It needs the weight to get the performance it delivers, but it's cumbersome to move around the house or take traveling. If you plan to keep it in one place, this won't be an issue. Second, its premium performance comes with a premium price tag. The Tacx Neo 2T is for serious riders who want the most from their training sessions, either as part of in-season training or the off-season when it's freezing outside. If you want to take your training to the next level, this trainer should be seriously considered.
Pulling off the wheel and getting the derailleur aligned is the extent of your on-going troubles with the Neo 2T. All said, maybe 3-5 minutes of setup if your trainer is put away and your wheel's still on the bike.
The Saris H3 Direct Drive packs a lot of performance for its price point. It's probably closer to top-shelf bike trainer specs and performance, but it's hundreds less than the most expensive trainers. Saris reduced the price of the H-series with the release of the H3, bringing you a more affordable, high-quality trainer. It features a new motor design that improves its handling of power changes and requirements, so your sprinting, climbing, and ERG training are even smoother. The accuracy remains at a solid +/- 2%, but improvements have reduced drop-outs and spikes, so the overall accuracy is actually better in the H3 than in previous iterations. And it's the quietest trainer in our lineup, with a claimed noise level of 59 dB, though we measured it even lower, at 55 dB. Honestly, it's one of the nicest trainers on the market and has a prettier price than the competition.
It's not all sunshine and rainbows, though. You don't get this level of performance without a lot of dense machinery inside. At nearly 50 lbs, the H3 is heavy. Even the hulkiest cyclist will find it a pain to have to move this thing around. It's also worth pointing out that it requires periodic calibration to remain accurate. That's pretty common for bike trainers, but a few competitors out there have machines that don't need it even once. The folks who will get the best use of the Saris H3 are riders who are serious about training indoors and want to save a little money without much sacrifice in performance or convenience.
If you need a simple, hassle-free bike trainer to get you on your bike throughout the winter without blowing your entire paycheck, the Saris Fluid 2 will do exactly that. This straightforward trainer is super easy to set up and get rolling. We tested it with the speed or cadence sensor (it can be purchased with or without) that easily pairs with Zwift, Rouvy, and all the other major training apps, so you're not flying blind. And it's not just any old tire drive trainer. It actually feels like you're out on the road. The former company CycleOps, now owned and rebranded by Saris, has earned its excellent reputation for unmatched road feel in its fluid resistance trainers, and that's on show with the Fluid 2. It follows a basic progressive resistance curve but has the perfect responsiveness, inertia, and rollout/spin-down to mimic the road. It's also one of the lightest bike trainers on the market, making it easy to move around, store, and take out on road trips or warm up before races.
This trainer suffers from the same limitations as other tire drive trainers. While it's great compared to the models in its class, it still can't match the road feel, smart data, and power measurement accuracy of direct drive trainers. And like most tire drive models, it doesn't have control, so your Zwifting won't be quite as interactive as it could be. But hey, the price is right. If you're after a practical, easy, natural-feeling tire-drive trainer, we think it doesn't get much better than the Saris Fluid 2.
The Kinetic Road Machine Control is an excellent mid-level trainer. It hits the right mix of versatility and affordability. As a tire drive, it's easy to get set up and rolling pretty quickly. It's also a smart control trainer, so not only do you get your performance data, like speed and power, but you get to control it. It's one of the few tire drive trainers with control - hence the name. So you're now fully integrated into the interactive training world of Zwift and TrainerRoad and the other sweet programs out there. It's also offered at a competitive price point. Not many trainers get you into the interactive control world without making you cringe at the expense.
There are a few drawbacks to this trainer. It's a tire drive trainer, so there are inherent limitations on performance. Power accuracy tends to be a little lower for this style of trainer, and the Kinetic Road Machine Control is no exception. It's accurate to about +/- 5%, which is doable for a mid-range trainer but not as accurate as the premium direct drive trainers. Then again, it's a fraction of the price and gets the job done. One limitation is that this trainer needs to be plugged in for the control features to work. That's not ideal, but very few trainers can overcome that problem. Riders looking to get into the virtual control world who don't want to splurge on a trainer that costs as much as their bikes themselves will get a lot out of the Kinetic.
You'll get all the training you need with the Road Machine | Control.
Credit: Ryan Baham
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We go through the hassles and figure out how things work so you don't have to.
Credit: Ryan Baham
Why You Should Trust Us
We obsessively test these bike trainers, putting in a huge amount of hours, losing gallons of sweat, and occasionally, even a little blood. We ride these trainers with an eye for smart connectivity with smartphones, computers, and fitness applications. We double-check all of the power readings with an outside power meter. We consider portability, ease of setup, and how the feeling of each trainer compares to the feel of the road. Rest assured, we have all the bases covered.
Our testing of bike trainers is divided across five rating metrics:
Connectivity and Power Accuracy tests (25% of overall score weighting)
Road Feel (25% weighting)
Design (20% weighting)
Setup (20% weighting)
Portability (10% weighting)
The bike trainers underwent more than 16 individual tests to assess and compare their performance. The most important aspect of the testing is the time spent on the bike sweating it out. But the connectivity and power accuracy testing and road feel have the most weight in the final overall score. Over time, we've tested more than 22 trainers.
The great difficulty here is maintaining impartiality and objectivity, especially when looking at trainers that can range from less than a hundred bucks all the way into the thousands. We address that through measures and perspectives. We've devised five reasonably objective performance measures, which are assigned weighted scores, to suss out the comparative performance of each trainer. But we also keep users and their requirements in mind, so in our evaluations, we're clear about each trainer's purpose and best use. So while a trainer might have a lower score, we might still highlight the trainer as ideal for a particular type of rider, like someone who won't be chasing marginal gains and wouldn't benefit from premium frills.
Our testers Curtis Smith and Ryan Baham got their roles testing this gear because they're cycling freaks. They live and breathe the sport and all its accouterments. They spend most of the year in the saddle, planning how to be in the saddle when the weather's bad and how to be better in the saddle when spending time out of the saddle. They spend a ton of time riding and researching, and they've been doing it for years.
We timed each assembly, while also paying attention to quality instructions and the level of frustration achieved while setting up each model.
Measuring the noise each model puts off while in-use.
Pushing our physical limits as we find the mechanical limits of each machine.
Analysis and Test Results
Our goal here is to bring riders the best bike trainer review possible, so you can make the right decision for your needs and goals. As no-bull riders ourselves, we put out the review we want to read. We do all the research and buy the trainers at market rates from the same places you do, then ride them hard and see whether they're worth recommending to our friends (including you).
Value
The price of a trainer tends to move in line with performance. The higher the price, the more capabilities and better dependability, while the lowest priced items are usually stripped-down with lower reliability and quicker wear. Smart control features also are either limited or sometimes not present on the low-priced end of the market. However, most smart models come with ANT + and Bluetooth connectivity now, so you can still use third-party apps like Zwift, The Sufferfest, and TrainerRoad for an engaging session of pains and gains.
After hours of testing, the Kinetic Road Machine Control proved to cover most cyclists' needs in a tire drive bike trainer at a very competitive price. It has just enough smart control features to keep us tuned into our workout at a fraction of the price of the premium direct drive models. It's also simple to use and light enough to cart around wherever you'd like. However, if you want a taste of the top echelon of bike trainers these days, go for the direct drive Saris H3. It's a clear jump in features and road feel from the tire drive models and isn't far behind the most expensive direct drive models in terms of performance, but it costs hundreds less.
How Will You Use It?
It is important to consider your needs when considering a bike trainer purchase. If you are looking for something to simply get the legs turning for casual at-home workouts, then a lower-scoring tire drive model may fit the bill. These less expensive models lack the smart/control features and road feel of the high-end direct drive models, but that may not matter to many users. If you're a serious cyclist seeking an immersive, interactive training experience, then you probably already know you'll be looking into the more expensive options to get there.
We make sure to test and compare performance between trainer models in the same series, as here with the Neo 2 and Neo 2T.
Credit: Ryan Baham
Connectivity and Power Accuracy
Not all bike trainers give you the same features. Many lower-end trainers don't have connected features like speed, cadence, or power, so testing was sometimes nearly impossible or done compared to outside sensors. In the case of power, how does the resistance curve work with our gearing and cadence? Are we putting out 100 watts to go 25mph when we should be hitting 220? All of the lower-end trainers limped along in this measure, but we addressed the relevant concerns in the in-depth analyses for each trainer.
One essential consideration here is a smart trainer's ability to link to in-house apps as well as a wide range of third-party training apps like Zwift. This factor has the potential to tank an entire training session or even prevent a rider from accessing an entire virtual training universe, so we assigned this metric a higher weight. Training apps are critical to the overall functionality of the unit and your training experience. A smart trainer without apps is a fifty-pound paperweight. They rely on applications and their connections to those applications to control resistance, collect data, and provide an engaging riding experience.
The models we tested use both ANT+ and Bluetooth communication protocols. Why both? Well, the short explanation is that most smartphones are not ANT+ enabled, but they do have Bluetooth, so trainers need Bluetooth connectivity for mobile apps. Many computers and tablets also use the Bluetooth protocol, so enabling Bluetooth can provide an adaptor-free method of communication for web-based applications like Sufferfest, TrainerRoad, and Zwift.
We tested connectivity across platforms and communication protocols.
Credit: Ryan Baham
You'll want to check out the capabilities of the third-party programs. Zwift, for example, didn't initially support native Bluetooth communication for PC/Windows, meaning you had to download the Zwift Companion mobile app to use your phone as a bridge. Zwift has since fixed that issue and continues to punch up.
If you do run into trouble with Bluetooth compatibility, an ANT+ connection will allow you to communicate with any device by simply plugging an ANT+ dongle into one of the USB ports. Dual communication protocols provide the easiest connection regardless of what type of display device you're trying to use.
The Saris H3 was one of the most accurate bike trainers in our lineup.
Credit: Ryan Baham
The other portion of the category is power accuracy. Smart trainers base resistance on power measured in watts. Each employs a power meter that measures power output. The most accurate way to do this is to read power at the hub, which is the method utilized by direct drive trainers. Tire drive models read power farther down the chain at the drum/resistance unit interface and thus do not offer the same level of power accuracy. Tire drive trainers must contend with more variables when measuring power, primarily the effect of tire drag on the reading. As a tire heats from friction, the rolling resistance changes, as does the air pressure within the tire. The combination of both factors affects rolling resistance. Because of this, tire drive trainers inherently provide a more variable and less accurate measure of power.
The Tacx Neo 2T Smart and Wahoo Kickr outscored all other trainers we tested in this category. ANT+ FE-C and Bluetooth Smart communication protocols made easy connections to the Tacx and Wahoo Fitness smartphone apps and third-party applications. Some of our testers described the Kickr as the Apple of the smart trainer world due to its intuitive and straightforward smartphone application that incidentally works equally well with both IOS and Android devices. However, the Neo training app was slightly less glamorous and could have used a bit more interactivity, but it connected across apps and platforms without issue.
A pedal stroke analysis is unique to the capabilities of the Tacx Neo 2T, though. This feature allows you to see the power and efficiency of each leg during any given workout to help you further understand your strengths and identify areas for improvement. Your one freeloading leg no longer has a place to hide. However, to utilize this feature, you must use the Tacx app, which isn't our favorite of the bunch. Tacx also looked to the future with this model, adding extra memory to make space for software updates and new features in the future. As bike trainer technology continues to improve every year, we think this is a very smart move.
The Neo 2T Smart allows you to see your power balance and stroke profile using the Tacx training app, but that functionality should be extended to other major training apps soon enough.
Credit: Ryan Baham
Power accuracy in both models is also excellent, rivaled only by the Saris H3 Direct Drive. We tested all of the products against a Quarq crank-based power meter and Garmin Vector 3 pedals and found less than one percent variance with all three models. The Kickr Snap is the best-scoring tire drive model, equaling its direct-drive counterpart on ease of connectivity. Power accuracy drove the Kickr Snap's overall score down, with variance in the 5% range. The Kinetic Road Machine Control did well here with good power accuracy for a tire drive model, as well as smart control features to ride along with training apps.
There's no shame in setting up a Zwift-based suffer session inside on a rainy morning. Sessions longer than an hour, especially those with more than 1,000 feet of climbing, were made much more bearable on the controllable direct drive trainers.
Credit: Crystal Huffman
Lower-scoring products suffered from less intuitive native applications. Their power accuracy also tended to increase significantly. That said, we welcome the lower end of the market adopting the dual standard communication protocols of ANT+ and Bluetooth, something that wasn't nearly as ubiquitous just a year ago.
Road Feel
This measure might seem like it favors roadies—and it kind of does—but even the grittiest mountain biker is going to get annoyed if their trainer feels like your brake is rubbing or it's lagging hills, or you're missing sprints because it takes too long to respond when you're kicking out watts. For this measure, we mainly look at the smoothness of the resistance unit's physics and responsiveness. Does it feel like the trainer is rolling out when you coast, and the power you put in is appropriate to get back up to cruising? Is it responding the right way? Are the climbs natural or lumpy? Is the trainer adjusting as fast as it needs to, or maybe too fast to feel natural?
Road feel ranks right up there in importance with connectivity. The best simulate the sensation of riding on the road. Poor quality models lack the feeling of inertia you get when riding out on the road. Achieving a good road feel is a complicated feat of engineering. Standard and smart models deliver a good road feel in different ways.
There is a strong correlation between flywheel weight and the user's sensation when spinning the cranks. In general, the heavier the flywheel, the better the road feel. A heavy flywheel mimics the inertia felt when riding outside. With an inferior quality product, you will notice the sensation of resistance in the pedaling dead spot during the back half of the pedal stroke. When riding on the road, the forward momentum of the wheels carries you through this spot, and it is not noticeable except on steep climbs. Models with poor road feel give the rider the sensation of being on a perpetual climb.
Smart trainers are a bit more complicated than standard fluid ones. The response to the control protocol from the application determines road feel in combination with the flywheel or virtual flywheel in the case of the Tacx Neo 2T Smart. During testing, we used a test to determine how long the flywheel would spin once pedaling stopped from 200 watts at 20 mph. We tested the lowest resistance setting on the smart trainers using the native applications.
The Tacx Neo 2T really is the ultimate ride. Smooth when you need it to be smooth, rough when you're hitting cobbles and rough terrain, responsive, accurate, and powerful.
Credit: Ryan Baham
Those with the longest rollout time usually also offered the best road feel when used in SIM mode. The major exception to this rule was the Neo 2T Smart, using a unique magnetic electromotor to perfectly simulate the road, even going so far as to replicate downhilling. Yet, its rollout time is only 21 seconds. Returning to the trend, the H3 Smart had the longest rollout time at 2:30 and has the heaviest flywheel of any model we tested.
Our testers found the Saris H3 Direct Drive to provide the best road feel among traditional flywheels across various applications, both native and third party. It would be easy to assume that the flywheel weight is the only factor at play. Still, the complex magnetic resistance units and how they interpret the data fed to them by the applications also play a critical role.
The flywheel weight makes all the difference when it comes to fluid trainers. The Wahoo Fitness Kickr Snap has a 10.5-pound flywheel and also provides the best road feel for tire drive trainers. With that said, the top-scoring Tacx Neo 2T Smart blows it out of the water.
Direct drive models go head to head as our testers tease out the best qualities in each.
Credit: Crystal Huffman
Noise
Trainers are inherently noisy machines. The drivetrain alone makes about 35 or 40 decibels, so it's tough to find something that will be silent. You're spinning chains and gears against something whose job it is to provide the same sort of resistance as a road or mountain trail. There are just too many moving parts vibrating and fancy things like electric motors to be silent. Despite that, we measure this because it makes a difference, particularly in close quarters when we don't want to disturb our housemates.
It may not be surprising that there's generally a premium on quietness. A lot of extra engineering reduces machine vibrations and the friction that make the noise. When we test these, we'll take a few measurements around the bike to get an idea of how the noise is spreading, but we go with the measurement taken in front of the rider. We'll spin up to 20mph and try to keep power at about 220 or 230 watts and 90 RPMs to keep all of the inputs constant.
The quietest we tested is the Kickr Snap, which put out 54.5 decibels at 20 mph and 230 watts. The Kinetic Road Machine Control is the second quietest tire drive model we tested. Of the direct drive trainers, the Saris H3 was the quietest in our tests at just 55.3 dB, and the Tacx Neo 2T came in at 57.8 dB.
The Kurt Kinetic Road Machine | Control registers 55.9 decibels, making it one of the quietest in our lineup.
Credit: Ryan Baham
Design
When assessing the overall design quality, we took several factors into account, including durability, stability, adjustability, and wheel and hub compatibility. No matter the price range of the machine you end up buying, you're going to want something that will last a good long while, including everything from kicks and drops to years of sweat and minimal upkeep. And, of course, you want to know if your big 29er will fit on this thing that you only see road bikes on before you buy it. We take all of this into account under design.
Durability and Stability
Is this thing going to last? Am I going to tip it over if I go too hard on a sprint? Am I going to break this thing? Is this thing going to break my favorite two-wheeled toy? These are some of the questions we had during testing. The heaviest models definitely felt the most stable during use, but we never felt at risk of tipping over with any of these trainers we tested. The Saris H3 is a standout product with a fully enclosed design. The resistance unit and flywheel are all protected from exposure to sweat and damage by the plastic shell. When open, the legs have a 19.5" footprint, providing excellent stability when combined with weight. Other standout products include the Kinetic Road Machine Control and Kickr Snap, which have tubular steel frames that provide great durability and stability.
Adjustability
Both the H3 and the Kickr have adjustable legs to accommodate an uneven floor. The Kickr can also adjust the trainer's height to accommodate different wheel sizes to maintain a level bike position without using a wheel block.
Thanks to the adjustable foot pads and one of the widest stances in the trainer world, the Saris H3 is also one of the most stable trainers.
Credit: Tara Kharrazian
Wheel and Hub Compatibility
Direct drive models have the advantage here because they do not rely on the rear wheel to drive the resistance unit. The H3 Smart is compatible with both 130 and 135mm quick-release frames and 142 and 148mm through axle frames using adaptors. Most other high-end models also support these expanded axle sizes, but you might need to purchase the adaptors separately. This makes the machines compatible with almost any type of bike available: road, cyclocross, or mountain. The tire drive trainers we tested will work with thru-axle bikes as well but require adaptors, and we recommend you use a slick tire rather than the knobby you probably have on your off-road machine.
You'll need to install a cassette on most of the direct drive trainers.
Credit: Crystal Huffman
Along with the Neo 2T, the Saris H3 and Wahoo Fitness KICKR are the highest-scoring products overall for design. Excellent durability, stability, and a well-thought-out design set them apart from the competition. We are most impressed with the Kinetic Road Machine Control and Saris Fluid 2 among the tire drive models.
The great thing about tire drive models is that you generally just need the right skewer or thru axle to make compatible with your trainer and Kurt Kinetic sells a thru-axle to fit the cups.
Credit: Ryan Baham
Setup
These days, we're all crunched for time. Time lost setting up your trainer is quality training time lost. We broke the setup metric into two primary areas for consideration: physical setup and tech setup.
Physical Set Up
We spent a lot of time with these trainers and became intimately aware of each unit's setup procedure and related quirks. From folding out the support legs to attaching the bike, they all have pros and cons. Overall, we found that direct-drive models are the easiest to set up daily. Despite the need to remove the rear wheel for use, there is no need to mess with tire pressure or drum tension on the rear wheel. The rear wheel does not need to be removed with tire drive trainers, but you will have to swap out your skewer before mounting the bike, and you'll see more tire wear than normal. Also, tire pressure needs to be adjusted before each ride, and the drum tension on the rear wheel also needs to be set up just right.
Throw in a small wrench, and you have everything you need to set up the Fluid 2 in under 10 minutes - even for the mechanically disinclined.
Credit: Tara Kharrazian
Pairing and Applications
All smart models we tested require the user to download the proprietary application before use. The manufacturer's application allows you to update the firmware before use. You need to download the native application for calibration, except with the Tacx Neo 2T Smart, which comes pre-calibrated. All of the other smart trainers we tested require some calibration before initial use and ongoing calibration after that. Without calibration, power measurement will not be accurate. As a result, resistance will be out of balance to your output. The applications for each trainer are easily found in the App Store on both IOS and Android phones. Once downloaded, you will need to follow the instructions within the application to pair your trainer. We found the Wahoo Fitness application is the easiest and most intuitive to use, with the Saris CVT mobile application coming in a close second.
Calibration, quite frankly, is a pain. Tire drive models require calibration before each training session to account for tire pressure and drum tension differences from ride to ride. Even a quarter turn on the tensioning knob can cause a huge variance in power readings. Ideally, calibrate tire drive trainers following a 10-minute warmup period to account for changes in resistance related to heat build-up. On the other hand, direct drive only needs to be calibrated every 30 days. This is a huge advantage that will save you an average of 10 minutes with every session. That time adds up over a week of training; we could all be doing something more productive than calibrating a trainer. Only the Tacx Neo 2T Smart never needs calibration, the ultimate regarding convenience. Also, once paired with applications, there's no other upkeep required - not to mention the Tacx app, while not as interactive as Zwift, provides a ton of excellent training and support while giving you real-world cycling videos, which is pretty cool.
The Clutch Knob clicks once you reach the optimal tension, so you never have to guess if you're doing it right.
Credit: Tara Kharrazian
Portability
How easy is it to move around? Stationary models are a great option for pre-race warmups, and you may even consider closing the office door for a quick lunch session if you are serious about training. Even if you never plan to travel with your bike trainer, you will likely need to move it around your living space.
Few of us have the luxury of a dedicated space for indoor training, so putting it away after a workout is standard practice. We took several factors into account when ranking products; weight, ease of carrying, storage size, and operating without electrical power.
This is one area where the smart, direct-drive trainers do not outscore the lower-priced tire drive models. There are many reasons to choose a premium model over a basic unit, but portability is not one. The direct-drive models we tested weigh between 30 to 50 lbs. Heavier flywheels, magnets, and electronics all add up to a good ride, but they are not easy to move around. Surprisingly, we found the heavier direct drive Saris H3 and the Wahoo Kickr to be easier to move than lighter-weight smart models like the Wahoo Kickr Snap. This is due to the well-designed, built-in carrying handles found on both units and compact folding. But generally, tire drive trainers have an advantage in this measure because they are lighter weight than the direct-drive models. Models like the Tacx Neo 2T are awkward to carry, given their weight and precarious handholds.
Handles are great, but they don't always make it super easy to move a trainer, as is the case with the 47 pound Saris H3.
Credit: Ryan Baham
Conclusion
Testing and thoroughly reviewing bike trainers is considerable work, but our reviewers are bike geeks and more than up for the task. We spend a lot of time reading up on and analyzing each bike trainer before making a purchase, just like you. After assembling each model and spending dozens of hours atop each machine, we develop an in-depth understanding of each model's capabilities, which we share with our readers. We hope this review and our recommendations prove helpful to your bike training goals and aspirations. Good luck out there, and keep riding.
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GearLab is founded on the principle of honest, objective, reviews. Our experts test thousands of products each year using thoughtful test plans that bring out key performance differences between competing products. And, to assure complete independence, we buy all the products we test ourselves. No cherry-picked units sent by manufacturers. No sponsored content. No ads. Just real, honest, side-by-side testing and comparison.
