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Moza Racing 303365 Gm Rs090 R21 Ultra Direct Drive Wheel Base Retail

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SKU:
21353106
MPN:
303365
Availability:
Usually ships the same or next business day.
Shipping:
Calculated at Checkout
Stock Update:
05/20/2026 08:28:49 PM PST
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$698.85
Stock Update:
05/20/2026 08:28:49 PM PST
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Description

This item is brand-new, factory sealed.

Experience professional-grade sim racing with the MOZA R21 Ultra DD Wheel Base. Featuring a 21Nm sustained torque direct-drive motor, zero-cogging flat-wire technology, 21-bit magnetic encoder, and intelligent thermal management, the R21 delivers precise force feedback, smooth handling, and immersive realism for both endurance sessions and competitive racing.

Engineered for Professionals

The MOZA R21 Ultra delivers sustained 21Nm of torque with next-gen force feedback algorithms, bringing uncompromised realism and control to every racing scenario.

21-bit Magnetic Encoder Precision

With over 2 million points of resolution, the high-accuracy 21-bit magnetic encoder captures every input detail. Experience unmatched steering fidelity, from subtle road textures to aggressive cornering forces.

All-new Zero-Cogging Flat-Wire Motor

The R21's next-generation flat-wire motor minimizes cogging torque, providing ultra-smooth and consistent force feedback. Every movement feels precise, natural, and immersive.

Sustained 21Nm Torque Output

Delivering a constant 21Nm of industrial-grade torque, the R21 ensures uncompromised performance during endurance racing sessions. Enjoy peak realism and control without thermal throttling.

Refined Design with RGB Customization

Crafted from CNC-machined aluminum, the R21 combines strength with elegance. Dual RGB light strips offer 16.7 million customizable colors, enabling telemetry-based effects for ABS, traction control, gear shifts, and flag signals.

iRacing 360Hz Mode

Experience ultra-responsive force feedback with iRacing's 360Hz update. Enhanced detail and precision deliver deeper immersion and sharper control in every race.

New Force Feedback Algorithm

Seamlessly integrating advanced hardware and software, the R21's new algorithm delivers more realistic, detailed force feedback with tuning options refined for every driving style.

Flexible Rig Compatibility

Engineered for universal integration, the R21 supports multiple mounting orientations-bottom, front, and side-to fit diverse racing setups.



Package Contents:
  • R21 Ultra Direct Drive Wheel Base
  • Power Adapter
  • Power Cord
  • Data Cord
  • Bolt Kit

Features

Package Contents:   
  • R21 Ultra Direct Drive Wheel Base
  • Power Adapter
  • Power Cord
  • Data Cord
  • Bolt Kit

 

Additional Information:   

Platform:PC

Drive System:Direct Drive

Encoder Type:21-bit Magnetic Encoder

Encoder Resolution:2,097,152 PPR

Maximum Torque:21 N?m

Rated Power:360W

Input Voltage:110V~220V AC ? 36V DC

Housing Material:Aluminum Alloy

Rear Cover Material:Plastic

Coupler Material:Aluminum Alloy

RGB Light Strips:2

Mobile App Functions:Supported

Quick Release:Supported

USB Refresh Rate:1000Hz

Ports:Power, PC, Pedals, Dashboard, Shifter, Handbrake, Emergency Stop Switch

Accessories:Power adapter, data cable, bolt kit, user manual, warranty card

Mounting Options:Front, side, and bottom mounting supported (optional adjustable bracket available)

Emergency Stop Switch:Optional

Dimensions:248.8 ? 140 ? 135 mm

Weight:9.0 kg


 

Features:   
Direct Drive Motor

 

Specs

Physical Characteristics
Product Material
Weight (Approximate)19.84 lb
Warranty
Additional Warranty Information<ul><li>Main Body 24 Months</li><li>Power Supply 12 Months</li><li>Cable 6 Months</li><li>Accessories Not Applicable</li></ul>
Limited Warranty24 Month
General Information
Brand NameMOZA Racing
Package TypeRetail
Manufacturer Website Addresshttp://www.gudsen.com
Marketing InformationExperience professional-grade sim racing with the MOZA R21 Ultra DD Wheel Base. Featuring a 21Nm sustained torque direct-drive motor, zero-cogging flat-wire technology, 21-bit magnetic encoder, and intelligent thermal management, the R21 delivers precise force feedback, smooth handling, and immersive realism for both endurance sessions and competitive racing.
Engineered for Professionals
The MOZA R21 Ultra delivers sustained 21Nm of torque with next-gen force feedback algorithms, bringing uncompromised realism and control to every racing scenario.
21-bit Magnetic Encoder Precision
With over 2 million points of resolution, the high-accuracy 21-bit magnetic encoder captures every input detail. Experience unmatched steering fidelity, from subtle road textures to aggressive cornering forces.
All-new Zero-Cogging Flat-Wire Motor
The R21's next-generation flat-wire motor minimizes cogging torque, providing ultra-smooth and consistent force feedback. Every movement feels precise, natural, and immersive.
Sustained 21Nm Torque Output
Delivering a constant 21Nm of industrial-grade torque, the R21 ensures uncompromised performance during endurance racing sessions. Enjoy peak realism and control without thermal throttling.
Refined Design with RGB Customization
Crafted from CNC-machined aluminum, the R21 combines strength with elegance. Dual RGB light strips offer 16.7 million customizable colors, enabling telemetry-based effects for ABS, traction control, gear shifts, and flag signals.
iRacing 360Hz Mode
Experience ultra-responsive force feedback with iRacing's 360Hz update. Enhanced detail and precision deliver deeper immersion and sharper control in every race.
New Force Feedback Algorithm
Seamlessly integrating advanced hardware and software, the R21's new algorithm delivers more realistic, detailed force feedback with tuning options refined for every driving style.
Flexible Rig Compatibility
Engineered for universal integration, the R21 supports multiple mounting orientations-bottom, front, and side-to fit diverse racing setups.
More from the Manufacturer
Product TypeGaming Controller Accessory
Product NameR21 Ultra Direct Drive Wheel Base
ManufacturerGudsen Technology
Manufacturer Part NumberRS090
Product ModelR21

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Moza Racing 303365 Gm Rs090 R21 Ultra Direct Drive Wheel Base Retail
$698.85