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MOZA Racing · Wheelbases · Direct Drive

MOZA R21 Ultra Direct Drive Wheel Base

Level: eliteReleased 2025

"A premium high-torque direct drive wheelbase that delivers serious precision and performance for advanced PC sim racers."

€799
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Platforms

PC

Ecosystem

moza ecosystem

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// Editorial verdict

The MOZA R21 Ultra sits firmly in the elite tier for sim racers who want high-end direct drive performance without stepping all the way up to 25 Nm. With sustained 21 Nm torque, a 21-bit encoder, intelligent cooling, and deep MOZA ecosystem support, it is an excellent choice for experienced drivers who want a powerful, precise, and durable wheelbase for competitive racing and long sessions.

Strengths

  • ·Strong 21 Nm sustained torque for serious sim racers
  • ·21-bit encoder delivers extremely precise steering detail
  • ·Runs cooler under load thanks to intelligent thermal management
  • ·Excellent MOZA ecosystem integration
  • ·Premium aluminum construction and multiple mounting options
  • ·Great fit for competitive and endurance-focused setups

Weaknesses

  • ·PC-only out of the box
  • ·Too expensive and too strong for most beginners
  • ·Requires a rigid cockpit for best performance
  • ·Still a premium investment compared with mid-range wheelbases
  • ·Emergency stop switch is optional

Specifications

ports
Power,PC,Pedals,Dashboard,Shifter,Handbrake,Emergency Stop Switch
platform
PC
processor
600 MHz high-performance CPU
weight kg
9
motor type
Industrial-grade flat-wire motor
drive system
Direct Drive
encoder type
21-bit magnetic encoder
dimensions mm
[object Object]
input voltage
110V~220V AC to 36V DC
rated power w
360
cooling system
Intelligent thermal management
coupler material
Aluminum alloy
housing material
Aluminum alloy
mounting options
front,side,bottom
rgb light strips
2
maximum torque nm
21
accessories in box
Power adapter,Data cable,Bolt kit,User manual,Warranty card
mobile app support
true
rear cover material
Plastic
usb refresh rate hz
1000
emergency stop switch
Optional
quick release support
true
encoder resolution ppr
2097152

Compatibility

software
MOZA Pit House
ecosystem
MOZA Racing
platforms
PC
compatible games
iRacing,Assetto Corsa,Assetto Corsa Competizione,Automobilista,Automobilista 2,BeamNG.drive,Euro Truck Simulator 2,American Truck Simulator,F1 2018,F1 2019,F1 2020,F1 2021,F1 22,F1 23,F1 24,F1 25,Forza Horizon 4,Forza Horizon 5,Forza Motorsport,KartKraft,Le Mans Ultimate,Live for Speed,MudRunner,Project CARS,Project CARS 2,Project CARS 3,RaceRoom Racing Experience,Richard Burns Rally,rFactor 2,WRC 9,WRC 10,WRC Generations,Wreckfest
peripheral ports
Pedals,Dashboard,Shifter,Handbrake,Emergency Stop Switch
console compatible
false
mounting compatibility
Front mount,Side mount,Bottom mount

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