R21 Ultra DD Wheelbase

Experience unparalleled realism with the MOZA R21 Ultra DD steering wheel base. 21 Nm of continuous torque, 21-bit precision, RGB design, and the brand-new FFB algorithm.

MOZA R21 Ultra DD Wheel Base: Uncompromising realism for demanding sim racers

Power, precision and design in a single housing

The MOZA R21 Ultra Direct Drive Base redefines the standards in professional sim racing. Equipped with a powerful 21 Nm continuous torque motor, a 21-bit magnetic encoder, and a CNC-machined aluminum housing, this direct drive base delivers an ultra-realistic, smooth, and immersive driving experience. Its compact design, customizable RGB lighting, and advanced force feedback algorithm make it the ideal centerpiece for any high-performance racing simulator.

Advantages that make the difference at every turn

• Constant torque of 21 Nm : Ideal for endurance training sessions without loss of performance or overheating.
• Gear-free motor : Ultra-smooth, uninterrupted rotation, even under high load.
• 21-bit encoder : Captures over 2 million data points for surgical precision with every maneuver.
• Customizable RGB : Real-time visual displays for ABS, traction control, gear changes, and flags.
• Next-generation FFB algorithm : More natural, detailed, and customizable response based on driving style.
• Intelligent thermal management : Constant performance with active temperature monitoring and automatic torque control.
• Extremely durable construction : Guaranteed to last over 10 million revolutions and latency-free data transfer.
• Versatile mounting : Compatible with mounting structures on the bottom, front or side.

Key features of the MOZA R21 Ultra Base

• 600 MHz processor : High performance for minimal latency and instant response.
• 21-bit magnetic encoder : 2,097,152 pulses per revolution for maximum precision.
• CNC-machined aluminum housing : Structural rigidity and first-class aesthetics.
• Wide compatibility : Full integration with the MOZA ecosystem (pedals, handbrake, dashboard, etc.).
• Integrated ports : Avoid additional cables with dedicated connectors for each peripheral device.
• Hands-free protection : Automatic stop of the steering wheel in case of vibrations, when it is detected that there is no manual contact.
• Mobile app and cloud configuration : Quick settings directly from your mobile phone, with customizable profiles.

Total immersion in every race

The MOZA R21 Ultra was developed for those seeking the ultimate simulation experience. Whether in F1, rally, GT, or truck simulators, this wheelbase offers a direct connection to the digital asphalt. Its combination of strength, sensitivity, and design makes it the ideal tool for both competition and realistic training sessions.

Full compatibility with your favorite games

The R21 Ultra works perfectly with titles such as:
iRacing, Assetto Corsa, rFactor 2, F1 22/23/24/25, WRC Generations, Forza Horizon 5, Le Mans Ultimate, DiRT Rally, Project CARS and many more. Simply plug in and drive.

Technical data

Feel the difference, dominate the track

The DD MOZA R21 Ultra Base offers not only pure power, but also maximum precision, professional reliability, and a direct connection to every track. Transform your cockpit into a true racing simulator with a base that reacts like the best real-world vehicles.