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MOZA R21 Ultra Direct Drive Wheel Base - Image 2

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MOZA R21 Ultra Direct Drive Wheel Base

$969.00

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.

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Dimensions : 248.8 × 140 × 135 mm

Housing Material : Aluminum alloy

Rear Cover Material : Plastic

Coupler Material : Aluminum alloy

Encoder Type : 21-bit magnetic encoder

Encoder Resolution : 2,097,152 PPR

Maximum Torque : 21Nm

RGB Light Strips : 2

Mobile App Support : Yes

Quick Release : Supported

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

Mounting Options : Bottom, front, and side mounting supported

Sustained 21Nm Torque Output
CNC-machined Aluminum Housing
21-bit Magnetic Encoder
High-density Flat-wire Motor
Ultra-low Cogging Torque
600MHz High-performance CPU
Refined Design with RGB Customization
Cloud-based App Configuration

MOZA Pit House

MOZA R21 Ultra Direct Drive Wheelbase x1
Power Adapter x1
Power Cord x1
Data Cord x1
Bolt Kit

Order Processing

Sim Racing orders are typically processed within 1 to 4 business days, depending on current order volume. During peak periods such as holiday sales or promotional events, processing times may be longer.

Shipping Fees

Shipping is free on orders of $135.00 or more, except for bulky items such as chassis, frames, and racing seats, which are subject to a fixed shipping fee.
Orders under $135.00 are subject to a flat shipping fee of $19.00.

Estimated Delivery Times

Estimated delivery times vary by location once the order has shipped.

Eastern Canada: approximately 3 business days

Central, Northern, and Western Canada: up to 5 business days

Delivery times are estimates and may vary depending on carrier delays or remote locations.

Tracking Information

Tracking information is provided once the order leaves our warehouse. You will receive a shipping confirmation email containing your tracking number as soon as it becomes available.
If you have not received tracking information yet, it means your order is still being prepared or processed.

Pre-Orders

Pre-order items are clearly identified on the product page. Estimated availability dates are provided as a reference and may change due to manufacturer or supplier delays.
By placing a pre-order, you acknowledge that shipment will occur once the item becomes available, not at the time of purchase.

Product Availability

Stock levels displayed on the website are indicative only and may not always reflect real-time availability.
If an item is unavailable or backordered, we will contact you as soon as possible to inform you of the expected restocking delay and discuss available options.
In some cases, an item marked as out of stock may be available, or an item shown as in stock may become unavailable due to high demand or supplier updates.

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Description

MOZA R21 Ultra Direct Drive Wheel Base

All-new Zero-cogging Flat-wire Motor

The MOZA R21 is part of the company’s latest flagship direct drive wheelbase line up, engineered for sim racers who demand top-tier performance. Featuring a 21Nm motor, aerospace-grade magnetic encoding, and MOZA’s most advanced force feedback algorithm, the R21 delivers unparalleled realism, control, and responsiveness in any sim racing scenario.

Sustained 21Nm Torque Output

Powered by an industrial-grade motor engineered for durability and thermal efficiency, the R21 delivers a sustained 21Nm of torque without throttling—ideal for professional-grade sim racing and extended endurance sessions.

21-bit Magnetic Encoder with 600MHz High-Performance Processor

With a 21-bit high-resolution magnetic encoder, the R21 delivers over 2 million points of precision, capturing every steering input and surface detail with stunning accuracy. Connect with the road like never before.

Refined Design with RGB Customization

Designed with a compact, motorsport-inspired profile, the R21 Ultra looks as serious as it performs. Dual RGB light strips along the top edges offer 16.7 million colors and fully customizable lighting effects, including real-time telemetry feedback for ABS, traction control, gear shifts, and flag signals.

New Force Feedback Algorithm

The powerful R21 DD base pairs seamlessly with MOZA’s advanced New Force Feedback Algorithm, combining cutting-edge hardware and software. This synergy delivers more realistic force feedback and enables precise tuning tailored to every driving style.

Intelligent Thermal Management

The R21 features MOZA’s fully upgraded intelligent cooling system providing ample motor headroom and optimized thermal efficiency, it runs cooler—even under sustained high torque. Real-time temperature monitoring and smart torque regulation work together to maintain peak performance through the most demanding racing sessions.

CNC-machined Aluminum Housing

Constructed from a rigid die-cast aluminum unibody, the R21 Ultra offers exceptional structural integrity and torsional rigidity—essential for withstanding high-torque output—while keeping overall weight to a minimum.

Extreme Durability

Built for endurance and performance, MOZA’s slip ring handles over 10 million rotations and transfers data at 2M/s, delivering solid connection and lag-free communication between the wheel and base.

Native Ecosystem Integration

Featuring dedicated ports for all major MOZA peripherals, the R21 Ultra keeps your setup clean and hassle-free—simply plug in pedals, shifters, dashboards, or a handbrake without the need for extra USB hubs or cables.

Hands-off Protection

This function can effectively avoid the risk of injury and quickly help restore control by detecting that hands are off the wheel. Once activated, it will quickly stop any oscillation and safely center the wheel.

User Manual for MOzA R21 Ultra Direct Drive Wheelbase

MOZA R21 Ultra Direct Drive Wheel Base

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