moza racing
Moza Racing 303365 Gm Rs090 R21 Ultra Direct Drive Wheel Base Retail
- 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
- Stock Update:
- 05/20/2026 08:28:49 PM PST
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
- 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 Warranty | 24 Month |
| General Information | |
| Brand Name | MOZA Racing |
| Package Type | Retail |
| Manufacturer Website Address | http://www.gudsen.com |
| Marketing Information | 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. More from the Manufacturer |
| Product Type | Gaming Controller Accessory |
| Product Name | R21 Ultra Direct Drive Wheel Base |
| Manufacturer | Gudsen Technology |
| Manufacturer Part Number | RS090 |
| Product Model | R21 |
Warranty Information