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Sim racing · head‑to‑head

MOZA R21 Ultra Direct Drive Wheel BasevsSimucube 3 Pro Direct Drive Wheelbase

The Bottom Line

Choosing between the MOZA R21 Ultra Direct Drive Wheel Base and the Simucube 3 Pro Direct Drive Wheelbase comes down to a battle of raw value versus high-end precision. While MOZA targets maximum torque per dollar, Simucube aims for ultimate fidelity at a massive price premium.

Watch out

Both bases suffer from software headaches. MOZA users have faced failed firmware updates that temporarily bricked force feedback, while early Simucube 3 Pro adopters struggled with a rough launch and unfinished Simucube Tuner software.

Note

Ecosystem lock-in is a major hurdle for both options. Neither base features USB passthrough on the quick release, meaning you are locked into proprietary wheels or forced to run extra cables for third-party rims.

Why choose MOZA R21 Ultra Direct Drive Wheel Base

8.2
Performance
  • Unbeatable value: It delivers 21 Nm of sustained torque for just $699.00, utilizing a smooth, zero-cogging flat-wire motor design.
  • Superior physical versatility: It wins on physical specs with a lighter 9 kg weight, 2700 degrees of max rotation, and flexible front, side, and bottom mounting.

Why choose Simucube 3 Pro Direct Drive Wheelbase

8.5
Performance
  • Higher peak torque: It leads with a massive 25 Nm of peak torque to handle the most demanding physics engines.
  • Elite force feedback detail: The signal processing excels at communicating subtle chassis behaviors like rear-end rotation and trail braking limits.

The Verdict

If you want the absolute best force feedback clarity and have deep pockets, the Simucube 3 Pro is the premium choice despite its high price and ecosystem lock-in. However, for drivers seeking incredible power without spending a fortune, the MOZA R21 Ultra offers unmatched value and better mounting flexibility.

Spec comparison

MOZA R21 Ultra Direct Drive Wheel Base Simucube 3 Pro Direct Drive Wheelbase
Brand MOZA Simucube
Ecosystem MOZA Simucube
Starting Price $699.00Best $1,599.00
Peak Torque 21 Nm 25 NmBest
Drive Type direct direct
Max Rotation 2700 °Best 2160 °
Connectivity USB RJ45
Software MOZA Pit House Simucube Tuner
Quick Release D1-Spec 70mm PCD
Weight 9 kg (19.8 lb)Best 11 kg (24.3 lb)
Mounting bottom, side, frontBest front, bottom
Price trend Unchanged over 90 days Up 8.4% in 90 days

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