The MOZA R25 Ultra TrueTorque Bundle is a sim racing package built around the R25 Ultra TrueTorque direct drive wheelbase with 25 Nm of sustained torque and a true torque sensor, plus your choice of steering wheel and pedal set, compatible with PC and designed for competition and professional use.
The R25 Ultra is MOZA's most powerful wheelbase: a zero-cogging flat-wire motor with 26% higher torque density than similarly sized competitors, a 21-bit magnetic encoder and a built-in torque sensor that measures real output torque at 2 kHz. It sits at the top of the direct drive wheelbase range and is the natural foundation of a high-end racing simulator.
Key features of the MOZA R25 Ultra TrueTorque Bundle
- 25 Nm of sustained industrial-grade torque, stable through endurance sessions and competition.
- Built-in true torque sensor: 0.1% sampling accuracy and a response rate of up to 2 kHz.
- Zero-cogging flat-wire motor with 26% higher torque density than similarly sized competitors.
- 21-bit magnetic encoder at 2,097,152 PPR of resolution.
- iRacing 360Hz mode and the latest generation force feedback algorithm.
- Aluminium body measuring 248.8 × 140 × 135 mm at 9.1 kg, with bottom, front and side mounting and two configurable RGB strips.
R25 Ultra TrueTorque wheelbase technical specifications
| Specification | Value |
|---|---|
| Drive system | Direct Drive |
| Maximum torque | 25 N·m (sustained) |
| Rated power | 378 W |
| Motor | Zero-cogging flat-wire |
| Torque sensor | Built-in, 0.1% sampling accuracy and response rate up to 2 kHz |
| Encoder | 21-bit magnetic (2,097,152 PPR) |
| USB refresh rate | 1000 Hz |
| Input voltage | 110–220 V AC → 36 V DC |
| Housing material | Aluminium alloy |
| Rear cover material | Plastic |
| Coupler material | Aluminium alloy |
| RGB light strips | 2 |
| Quick Release | Supported |
| Mobile app control | Supported |
| Ports | Power, PC, pedals, dashboard, shifter, handbrake, emergency stop switch |
| Mounting | Bottom, front and side; optional adjustable bracket |
| Emergency stop switch | Optional |
| Dimensions | 248.8 × 140 × 135 mm |
| Weight | 9.1 kg |
| Platform | PC |
| Wheelbase box contents | R25 Ultra TrueTorque wheelbase, power adapter, power cord, data cord, bolt kit, user manual and warranty card |
Steering wheels available in the bundle
- ESX: aluminium rim, 22 controls and the official Xbox licence within the MOZA ecosystem.
- KS PRO: 300 mm butterfly format, lightweight and aimed at GT3 and open-wheel racing.
- CS PRO: 320 mm round rim, the most versatile choice for GT, touring cars and rally.
- GS V2P: 300 mm, forged carbon fibre, 10 programmable buttons and 5 rotary encoders.
- RS V2: forged carbon fibre and leather with RGB lighting, for GT and endurance racing.
- FSR2: 280 mm formula wheel with a 4.3" touchscreen, 10 backlit buttons and magnetic carbon paddle shifters.
- TSW: truck wheel, specific to Euro Truck Simulator 2 and American Truck Simulator.
- VGS: 2.85" circular HD touchscreen at 60 Hz with a customisable interface and 72 programmable inputs.
- Lamborghini ESSENZA SCV12: officially licensed replica of the SCV12 wheel.
- Porsche Mission R: officially licensed replica of the Mission R wheel.
Pedal configurations
- SR-P (2 pedals) + upgraded spring and damper kit: the entry point to load cell braking, with an adjustable progressive brake.
- CRP2 (3 pedals) + Performance Kit: second-generation pedal set with load cell and clutch.
- mBooster Active Pedal Set + CRP2 throttle + extended baseplate: active brake with dynamic force feedback.
- No pedals: if you already have a pedal set and only want the wheelbase and wheel.
Compatibility
- Platform declared by the manufacturer: PC.
- Simulators: iRacing, Assetto Corsa and Assetto Corsa Competizione, rFactor 2, Automobilista 2, the F1 series, DiRT Rally, RaceRoom, Le Mans Ultimate, Euro Truck Simulator 2 and American Truck Simulator, among others.
- Full MOZA ecosystem: sim racing wheels with MOZA Quick Release, pedals, shifters, handbrakes and dashboards connected directly to the wheelbase.
- Within the MOZA ecosystem the official Xbox licence sits in the ESX wheel, not in the wheelbase. MOZA does not offer PlayStation compatibility on any of its wheelbases or wheels.
- Configuration and firmware updates through MOZA Pit House and the MOZA mobile app.
Frequently asked questions
What does the true torque sensor on the R25 Ultra add?
It measures the motor's real output torque at 2 kHz with 0.1% sampling accuracy instead of estimating it from current draw. The result is a more linear response and more dependable control during oversteer or loss of grip.
What is the difference between the R25 Ultra TrueTorque and the R21 Ultra?
Both share the zero-cogging flat-wire motor, the 21-bit magnetic encoder and the same force feedback algorithms. The R25 Ultra raises sustained torque to 25 N·m and adds the built-in true torque sensor; the R21 Ultra stays at 21 N·m without that sensor.
Does it run hotter or louder because it delivers 25 Nm?
MOZA states that it does not: the R25 Ultra has an upgraded intelligent thermal management system with real-time temperature monitoring, and the flat-wire design improves heat dissipation, keeping operation quiet even at full sustained torque.
Do I need a reinforced cockpit for the MOZA R25 Ultra Bundle?
Yes. With 25 N·m of sustained torque and a 9.1 kg wheelbase it should be mounted on an aluminium profile cockpit or an equally rigid structure; it supports bottom, front and side mounting with an optional adjustable bracket.
Which type of driver is this bundle aimed at?
Advanced sim racers, esports teams and simulation centres competing in high-downforce GT and formula cars and in endurance events, where both sustained torque and thermal stability matter.
Buying your sim racing bundle from Simufy means buying with full guarantees
- Official premium sim racing distributor in Spain and Portugal — over 70 brands
- The only Official Fanatec out-of-warranty Repair Centre in Europe
- Simucube Premium Reseller — one of only four in Europe
- Shipping from our own 5,000 m² warehouse and Barcelona showroom
- Specialised technical support and official warranty on every product
- Tailored financing: leasing and renting available
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