Moza Racing
R21Ultra
Best high-torque wheelbase for competitive sim racers seeking professional-grade realism.
Experience unparalleled realism with the MOZA R21 Ultra Direct Drive Wheel Base, engineered for serious sim racers. This high-performance unit delivers a sustained 21Nm of industrial-grade torque, ensuring consistent, powerful feedback for demanding races and endurance sessions without thermal throttling. Its advanced, zero-cogging motor provides exceptionally smooth force feedback, complemented by a high-accuracy 21-bit magnetic encoder for precise steering. Crafted with a robust CNC-machined aluminum housing and featuring customizable RGB telemetry alerts, the R21 Ultra offers flexible mounting options for any setup.
$699.00
Owner Satisfaction
4.7
/ 5
Category Rank
21
/ 146
#21 in Sim Racing Wheelbases
Price vs Category Average
-18%
Below average
Platform
PC
/ PC
Who it's for
- Professional sim racers seeking realistic force feedback and headroom
- Endurance racers requiring consistent performance during long sessions
- Drivers wanting a streamlined, software-driven setup experience
Who should skip it
- Casual sim racers on a limited budget
- Beginners unfamiliar with managing high-torque hardware safely
- Enthusiasts who prefer mixing and matching third-party steering wheels
Performance breakdown
Force Feedback Fidelity
Zero-cogging motor delivers incredibly nuanced and responsive steering sensations.
Torque Consistency
Sustained output ensures peak performance during the most demanding endurance races.
Build Integrity
CNC-machined aluminum housing provides a rock-solid foundation for intense driving.
Input Precision
High-resolution encoder captures every micro-adjustment with absolute accuracy.
Mounting Versatility
Flexible configuration options accommodate almost any professional sim racing rig.
Telemetry Integration
Customizable RGB alerts provide helpful, real-time data feedback while driving.
Key Specs
Platform
PC
Drive System
Direct Drive
Maximum Torque
21 N·m
Encoder Resolution
21-bit
Chassis Material
Aluminum Alloy
Cooling System
Passive Cooling
Pedal Connection Type
Direct to Wheelbase
Firmware Updatable
Yes
Features
- Sustained 21Nm torque for intense racing.
- Ultra-smooth feedback from zero-cogging motor.
- Precise steering with 21-bit encoder.
- Customizable RGB telemetry alerts.
- Supports 360Hz iRacing mode.
- Refined realism algorithm.
- Flexible mounting options.
- Durable aluminum construction.
What customers say
The Moza Racing R21 Ultra is celebrated as a flagship direct drive wheelbase, primarily praised for its immense power and exceptional force feedback fidelity. Users consistently highlight the 21 Nm torque output's ability to translate subtle track details like road texture and tire slip with remarkable clarity. The build quality receives high acclaim; its robust CNC machined aluminum construction inspires confidence as a premium, long-term investment. Performance is smooth and lag free, offering highly refined responsiveness. While the initial cost is significant, the consensus is that the R21 Ultra delivers professional grade performance, offering compelling value against similarly powerful competitors for serious sim racing enthusiasts.
Know before you buy
No, the R21 Ultra utilizes a passive cooling system integrated into its aluminum alloy housing. This design ensures consistent performance during long endurance sessions without the noise or mechanical failure risks associated with active cooling fans.
The R21 Ultra is designed for versatility and supports bottom, side, and front mounting options. This allows it to integrate seamlessly into most professional-grade sim racing rigs.
Yes, the unit features a dedicated direct connection port for pedals. This simplifies your cable management by routing pedal inputs directly through the wheelbase to your PC.
The 21-bit magnetic encoder provides exceptionally high-resolution steering input. This translates to more precise control and smoother force feedback, allowing you to feel subtle track details and weight shifts more accurately.
The R21 Ultra is designed exclusively for PC platforms. It is not compatible with console systems.
The 360Hz mode increases the communication frequency between the game and the wheelbase. This results in a more responsive and detailed force feedback experience, which is particularly beneficial for competitive iRacing drivers looking for the highest level of fidelity.
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