ThinkRider X2 Max review: the $220 smart trainer I actually use
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Yes, the ThinkRider X2 Max is worth it. For about US$220 you get a quiet direct-drive trainer with 2,000 W, 18% gradient simulation and working ERG mode. The catches: no cassette in the box, a one or two second ERG lag, and no Zwift Cog support.
I don't ride indoors much. My old KICKR Core and Elite Chrono fluid trainer were mostly pre-Zwift, so it was boring and I never stuck with it.
But indoors is perfect for a targeted workout, or when it's pouring. So I bought the ThinkRider X2 Max for about US$220 on AliExpress and rode it on MyWhoosh for weeks. It's the best value trainer I've found.
under US$300
If you want a cheap, reliable smart trainer for ERG workouts and climbing in apps, buy this. Spend more only if you need very precise power or downhill simulation.
Good
- About US$220, a fraction of big-brand direct-drive trainers
- Quiet: most of the noise is your drivetrain
- Smooth, natural ride feel, and it holds up to sprints
- 18% gradient simulation and up to 2,000 W
- Ten-minute setup, adapters for thru-axle and quick release included
Not so good
- No cassette in the box
- ERG mode takes a second or two to adjust
- No downhill simulation
- Needs a power outlet
- Resale value won't match a Wahoo or Tacx
ThinkRider X2 Max specs
| Price | About US$220 on AliExpress (US$364 list on thinkrider.com) |
|---|---|
| Type | Direct drive (wheel off), built-in power meter |
| Max resistance | 2,000 W |
| Max gradient | 18% |
| Claimed accuracy | ±2% |
| Connectivity | ANT+ FE-C and Bluetooth (FTMS) |
| Freehub | Shimano/SRAM HG (8 to 12-speed Shimano). XDR for SRAM 12-speed on request |
| Axles | Thru-axle 12 × 142 and 12 × 148 mm, quick release 130 and 135 mm |
| Weight | About 16 kg, with a carry handle |
| Power | 12 V mains adapter (not self-powered) |
| Cassette included | No |
For 99.9% of us, 2,000 W is more than enough. The 18% gradient simulation is the number that matters more in apps: when the road kicks up, the resistance goes up with it, and it does feel like a climb.
Setup: ten minutes, but buy a cassette first
Setup is super easy. The body comes in one piece. You bolt the two legs on with the screws in the box and that's it.
It doesn't come with a cassette, so order one that matches your bike at the same time. The stock freehub supports Shimano 8 to 12-speed and SRAM 8 to 11-speed. If you run SRAM 12-speed, message the seller and they can send a different freehub that works with your system. Owners on forums recommend tightening the cassette lockring to about 40 Nm.
It supports both thru-axle and quick release, and all the adapters are in the box, so you can switch bikes without buying anything extra.
At around 16 kg it's not light, but the handle on top makes it easy to carry if you're moving it between rooms or keeping it in the garage.
Ride feel and sprints
I've done quite a few kilometres on it now and it's been very smooth, with no issues. When you're riding you don't notice the trainer. It feels natural, like normal riding.
I've done sprints on it too and it holds up well. There's a little bit of side-to-side wobble, as you'd expect from any trainer like this, but it's sturdy overall. Some owners actually like that bit of give because it puts less stress on a carbon frame.
ERG mode
ERG mode works really well. That's where the trainer changes the resistance to hold the power your workout prescribes, so you just pedal and it does the rest.
There's maybe a one or two second delay between a power step in the workout and the trainer adjusting. That's pretty normal for budget trainers, and on long intervals you won't notice. On short, punchy efforts like 30-second sprints, you'll feel the lag at the start of each rep.
Power accuracy: is the X2 Max accurate?
ThinkRider rates it at ±2%. On my unit, the numbers line up with the data I've seen from power meters on my bike, and for structured training that's what matters: consistency from one session to the next.
What other owners report: not every unit is the same. Some riders on Reddit and forums report readings 5 to 10% higher than their pedal power meter, or brief power spikes when the gradient changes suddenly in Zwift. Others report readings within a few watts after calibration.
If you already own a power meter, pair it as the power source in Zwift or MyWhoosh and use the trainer only for resistance. Then the trainer's accuracy doesn't matter. Keep the firmware updated in the ThinkRider Tools app, because fixes come through there.
If you're a World Tour rider and you need very precise power measurements, get a more expensive trainer. Everyone else will be fine.
How loud is the ThinkRider X2 Max?
It's quiet. Most of the noise when you pedal comes from your drivetrain, not the trainer itself. ThinkRider quotes 58 dB at 30 km/h. A clean, lubed chain and a decent mat will make more difference than anything else.
Zwift, MyWhoosh and other apps
Because it uses standard ANT+ FE-C and Bluetooth FTMS, it pairs with pretty much everything: Zwift, MyWhoosh, Rouvy, TrainerRoad, Wahoo SYSTM, FulGaz, Kinomap, and Garmin, Wahoo or Bryton head units in indoor mode.
I use MyWhoosh, which is basically a free version of Zwift, and riding this trainer on it has been amazing. If you're buying a budget trainer, MyWhoosh means you don't pay a monthly subscription on top.
Firmware updates go through ThinkRider's own phone app, ThinkRider Tools. You can't update it from a bike computer.
Does the X2 Max work with the Zwift Cog?
Not the way the Cog is meant to work. Zwift's virtual shifting only runs on trainers Zwift has certified, and Zwift support has said the ThinkRider X2 isn't on that list.
ThinkRider added its own virtual shifting in a firmware update, designed for its VS200 handlebar remote and set up in ThinkRider Tools. Some owners also use the third-party BikeControl app to bridge a Zwift Click or the VS200 into MyWhoosh. Owners say it works best when your real gear ratio is in the middle of the range.
My advice: run a normal cassette and shift your real gears. It's simpler and nothing can break.
The downsides
- No downhill mode. It doesn't have a motor to spin the flywheel for you on descents, like some US$1,000 to US$1,500 trainers do. For US$220, that's fair.
- Resale value. It's not a well-known brand, so it won't hold its value like a Wahoo or Tacx if you sell it later.
- No cassette. Budget another US$30 to US$60 for one if you don't have a spare.
- Needs an outlet. The XX Pro is self-powered. The X2 Max isn't.
- Support goes through AliExpress. Warranty and support depend on the seller. Keep your order details.
It has great reviews on AliExpress. That's why I bought it, and I've been blown away by the quality. I was expecting something a lot worse at this price. It's my main trainer now and I have no desire to upgrade.
ThinkRider X2 Max vs XX Pro
ThinkRider also sells a more premium trainer, the XX Pro. It uses a different, self-powered resistance system instead of the X2 Max's belt drive.
| X2 Max | XX Pro | |
|---|---|---|
| Price (AliExpress) | About US$220 | About US$360 |
| Claimed accuracy | ±2% | ±1% |
| Max resistance | 2,000 W | 2,500 W |
| Downhill simulation | No | Yes |
| Needs power | Yes (12 V adapter) | No, self-powered |
For around US$360 it's insane value too. It's pretty much equivalent to the US$1,500 trainers you'll see, like the Tacx NEO. But for my workouts the X2 Max feels amazing and does everything I need, so I have no desire to get the XX Pro. Get the XX Pro if you care about the extra accuracy, want to ride without a cable, or want the downhill feel.
ThinkRider X2 Max vs Wahoo KICKR Core
I've owned a KICKR Core, and it's the trainer most people compare the X2 Max against.
| ThinkRider X2 Max | Wahoo KICKR Core 2 | |
|---|---|---|
| Typical price | About US$220 | About US$400 (Zwift Cog bundle) to US$650 list |
| Max resistance | 2,000 W | 1,800 W |
| Max gradient | 18% | 16% |
| Claimed accuracy | ±2% | ±2% |
| Zwift virtual shifting | No | Yes, with Zwift Cog and Click |
| Carry handle | Yes | No |
| Support and resale | Through the AliExpress seller | Wahoo support, strong resale |
On paper the X2 Max matches or beats the KICKR Core 2 for about half the price. The KICKR wins on support, polish, Zwift virtual shifting and resale value. If you live on Zwift and want the Cog, or you want the safety net of a big brand, get the Wahoo. If you want the cheapest trainer that does the job properly, get the X2 Max.
ThinkRider X2 Max FAQ
Is the ThinkRider X2 Max any good?
Yes, for the price. At about US$220 it does what most riders need from a smart trainer: ERG workouts, 18% gradient simulation, quiet running and a smooth ride feel. If you need lab-grade power numbers or downhill simulation, spend more.
Does it work with Zwift and MyWhoosh?
Yes. It connects over ANT+ FE-C and Bluetooth FTMS, so it works with Zwift, MyWhoosh, Rouvy, TrainerRoad, Wahoo SYSTM and Garmin or Wahoo head units. I ride it on MyWhoosh.
Does it come with a cassette?
No. Buy a cassette that matches your bike. The stock freehub takes Shimano and SRAM HG cassettes (8 to 12-speed Shimano road). For SRAM 12-speed you need an XDR freehub, which you can request from the seller.
Can I use a Zwift Cog with it?
Not with Zwift's own virtual shifting. ThinkRider added virtual shifting in a firmware update, but it's designed for its VS200 remote, and Zwift support says the X2 isn't on its Cog and Click list. Most owners just run a normal cassette.
How accurate is it?
ThinkRider claims ±2%. On my unit the numbers line up with what I see from power meters. Some owners report readings 5 to 10% high or spikes when the gradient changes, so if you own a power meter, use it as your power source in your training app.
Does it need to be plugged in?
Yes. It runs off a 12 V power supply. ThinkRider's XX Pro is the self-powered option if you want to ride without an outlet.
What's the difference between the X2 and the X2 Max?
The X2 Max is the current version of the X2 and the one you'll find on sale now. If you're buying second-hand, check the photos: recent units have the carry handle on top.
My verdict
If you don't do a lot of indoor training and it doesn't make sense to pour hundreds or thousands of dollars into a trainer, just buy this. It's reliable, ERG mode works, it's quiet, and it's cheap.
Questions? Ask me on YouTube and tell me what I should review next.
Still comparing? See the best budget smart trainers in 2026.
Sources
- ThinkRider: X2 MAX product page: official specs.
- Wahoo: KICKR CORE 2 tech specs: US$549.99, 1,800 W, 16% grade.
- MyBike.parts: ThinkRider X2Max owner reviews: owner reports of 5 to 10% power differences.
Every weight, price and ride impression without a source is from my own bike, my own scale and my own receipts.