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Technical Face-Off

Moza R21 Wheel Base vs Moza R9 V2 Wheel Base

Last Updated: August 31, 2025

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Moza R21 Wheel Base

Torque 21Nm
Drive Type Direct Drive
Compatibility PC
Quick Release Standard


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Moza R9 V2 Wheel Base

Torque 9Nm
Drive Type Direct Drive
Compatibility PC
Quick Release Standard


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Omni-Engine Methodology: Aggregated analysis of 50+ technical threads, official datasheets, and user telemetry. Zero sponsorship.

The Specs: On Paper

On paper, both wheels look impressive. They're direct drive, have standard quick releases, and are PC-compatible. The Moza R21 boasts 21Nm of torque, while the Moza R9 V2 offers a more modest 9Nm.

The Ugly Truth (Real User Experience)

I've seen users report a host of issues with both wheels. But if I'm being honest, it's the R21 that's given people real headaches. People are reporting overheating, random freezing, and even full-locking issues while in-game. And don't even get me started on dealing with Moza's support – it's like trying to navigate a bureaucratic nightmare. Users are complaining about slow responses, unhelpful troubleshooting, and even being sent defective units multiple times.

But what really gets my goat is the lack of consistency in performance. One user reported their R21 freezing mid-game, only for it to magically start working again after replacing the PCB (what a pain!). Another person had to deal with a broken QR that Moza took ages to replace. The big problem here is the premium price point doesn't match the premium support – or lack thereof.

Now, I'm not saying the R9 V2 is perfect either. Users are reporting some overheating issues, but it seems less severe than what's happening with the R21. However, there have been some complaints about FFB loss and upgrade mode issues (because who doesn't love dealing with firmware updates?). But overall, it's a more manageable experience compared to its bigger brother.

The Verdict

So, which one gets my money? In my book, the Moza R9 V2 is the clear winner – despite some minor issues. For those on a budget or just starting out in sim racing, it's a good value for money. You won't get the same level of torque as the R21, but you'll still enjoy a decent driving experience without breaking the bank.

But if you're looking to upgrade from an older Moza model (like the R5), I'd recommend sticking with the R9 V2. It's not perfect, but it's more reliable than the R21 and offers a better balance between price and performance.

And as for the R21? Sorry, folks – it's just too much of a gamble at this point. If you're willing to take on the risk, be my guest, but I'll be sticking with something more tried-and-true.

Sources: https://www.reddit.com/r/moza/comments/13cedbg/lets_talk_about_the_notchy_feeling_on_the/ https://www.reddit.com/r/simracing/comments/16mqva0/moza_is_hot_garbage_do_not_buy/ https://www.reddit.com/r/moza/comments/1cgvj4d/hows_your_r9_v2/ https://www.reddit.com/r/moza/comments/1c9ko7r/r21/ https://www.reddit.com/r/moza/comments/1do9887/a_few_questions_about_the_r9v2_wheel_base_and_srp/
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Marco 'Drift' Rossi - Lead Engineer
Sim racer since 2010. Hates marketing, loves data.