Overview
The Traxxas Center drive, torque-biasing (assembled) TRX7796 is a premium drivetrain component designed for serious RC enthusiasts running Traxxas X-Maxx and Funco Motorsports models. This is a factory-assembled, ready-to-install replacement centre drive that comes complete with all necessary components, making it an ideal upgrade or replacement part for RC car UK hobbyists looking to maintain peak drivetrain performance. Whether you're a weekend basher pushing your brushless RC monster truck to its limits or a dedicated competitor demanding absolute reliability, this torque-biasing centre drive delivers the engineering excellence that Traxxas is renowned for in the RC hobby community.
Torque-biasing technology represents a significant advancement in RC drivetrain design, offering superior traction control and cornering performance compared to open differentials. This assembled unit is engineered to distribute engine torque intelligently between the left and right wheels, allowing your RC vehicle to maintain better grip during aggressive cornering whilst still providing the necessary slip for smooth turning. The inclusion of quality 17x26x5mm ball bearings ensures smooth, low-friction rotation and extended component lifespan, which is essential when running high-performance brushless motors and demanding driving conditions typical of modern 8S LiPo-powered RC trucks.
This replacement centre drive is compatible with the 7727X bulkheads exclusively, making it an essential upgrade for X-Maxx owners and Funco Motorsports enthusiasts who want to enhance their vehicle's drivetrain performance. The factory-assembled design eliminates the need for complex installation procedures, allowing you to get back to driving faster whilst benefiting from professional-grade engineering and quality control standards that match original Traxxas specifications.
Key Features
- Torque-Biasing Differential Technology — This advanced differential system intelligently biases torque between the left and right drive wheels, providing superior traction control during cornering whilst maintaining smooth turning characteristics, which directly translates to faster lap times and more controlled driving in competitive and recreational RC car UK environments.
- Factory-Assembled and Ready to Install — The complete assembly arrives pre-built and tested from Traxxas, eliminating the need for time-consuming assembly work and ensuring that every component is perfectly aligned and calibrated to factory specifications, allowing you to install with confidence and minimal downtime.
- Precision Ball Bearings Included — Two 17x26x5mm ball bearings are supplied with this centre drive, providing ultra-smooth rotation, minimal friction losses, and exceptional durability under the extreme forces encountered in high-speed brushless RC driving, directly contributing to improved efficiency and extended component lifespan.
- Engineered for High-Performance RC Trucks — Specifically designed for the Traxxas X-Maxx brushless 4WD monster truck and Funco Motorsports pro-scale RC sand cars, this centre drive is optimised to handle the significant torque and power demands of 8S LiPo-powered RC vehicles, ensuring reliable performance even during aggressive driving.
- Genuine Traxxas OEM Quality — Manufactured to the same stringent quality standards as all Traxxas replacement parts, this centre drive features precision-machined components and robust engineering, providing the reliability and performance expected from a recognised leader in the RC hobby industry.
- Direct Replacement Component — This centre drive is designed as a direct replacement for worn or damaged units, maintaining complete compatibility with your existing drivetrain components when used with 7727X bulkheads, ensuring seamless integration without requiring additional modifications or parts.
Technical Performance
The Traxxas TRX7796 centre drive represents the pinnacle of RC drivetrain engineering, combining torque-biasing differential technology with precision-manufactured components to deliver superior performance in competitive and recreational driving scenarios. The two included 17x26x5mm ball bearings feature precision construction that minimises friction and rotational resistance, critical when operating within a high-performance brushless RC system. Torque-biasing technology works by automatically adjusting the distribution of engine torque between the left and right wheels based on traction conditions, allowing your RC vehicle to maintain optimal grip during aggressive cornering whilst still providing the necessary wheel slip for smooth turning inputs. This results in improved cornering speed, better overall handling characteristics, and enhanced stability compared to open differential designs. The assembled construction ensures that every internal component is perfectly balanced, aligned, and calibrated to exacting Traxxas specifications, eliminating variables that could affect performance and reliability. For drivers piloting 8S LiPo-powered RC monster trucks and sand cars, this centre drive provides the durability and traction control necessary to fully exploit the tremendous power output of modern brushless motors whilst maintaining predictable, controllable handling characteristics in diverse driving conditions.
What's in the Box
- Traxxas Torque-Biasing Center Drive (fully assembled)
- 17x26x5mm Ball Bearings (2 pieces)
What You Need to Complete
- Traxxas 7727X Bulkheads (required for installation — this centre drive is compatible with 7727X bulkheads only)
- Compatible Traxxas X-Maxx or Funco Motorsports vehicle
Frequently Asked Questions
- Is the Traxxas torque-biasing centre drive suitable for my RC vehicle? — This centre drive is specifically compatible with Traxxas X-Maxx brushless 4WD monster trucks (all colour variants including red, blue, orange, and green models), Traxxas X-Maxx Ultimate variants, Traxxas X-Monster chassis, and Traxxas Funco Motorsports Pro Scale 8S electric sand cars. Compatibility requires the 7727X bulkheads. Check your vehicle's specifications to confirm compatibility before purchasing.
- What makes torque-biasing technology important for RC performance? — Torque-biasing differentials intelligently distribute engine power between the left and right wheels based on real-time traction conditions, providing significantly superior cornering performance compared to open differentials. This technology allows your brushless RC truck to maintain maximum grip during aggressive turns whilst still providing smooth steering input, directly resulting in faster cornering speeds, better stability, and more predictable handling characteristics across various track and terrain conditions.
- What are the 17x26x5mm ball bearings and why are they included? — The two 17x26x5mm ball bearings are precision-manufactured rolling components that enable smooth, low-friction rotation of the centre drive shaft. These bearings significantly reduce rotational resistance, minimise power losses, extend drivetrain component lifespan, and ensure reliable performance under the extreme forces encountered when running high-power brushless motors in competitive RC driving.
- Is installation difficult and what tools do I need? — The factory-assembled design simplifies installation considerably compared to purchasing individual components and building from scratch. However, installation still requires moderate mechanical skill, basic RC tools (hex wrenches, screwdrivers), and familiarity with your vehicle's drivetrain layout. We recommend consulting your Traxxas manual and considering professional installation if you're unfamiliar with RC drivetrain maintenance.
- How does this centre drive compare to the standard open differential? — The torque-biasing centre drive offers substantially improved traction control and cornering performance compared to open differentials. Whilst open differentials distribute power equally between wheels regardless of traction conditions (resulting in wheel spin and understeer), torque-biasing technology actively adjusts power distribution based on wheel slip, resulting in superior grip during cornering, improved overall handling stability, and faster lap times in competitive environments.
- Will this centre drive work with my 8S LiPo brushless RC truck? — Yes, the Traxxas TRX7796 is specifically engineered to handle the extreme torque and power output of 8S LiPo-powered brushless motors found in modern high-performance RC vehicles like the X-Maxx and Funco Motorsports sand cars. The precision bearings and robust construction ensure reliable performance even under sustained high-power driving conditions.
- What is the difference between this assembled centre drive and individual component kits? — This product arrives fully assembled, tested, and ready to install directly into your vehicle, eliminating the need for complex assembly procedures and component calibration. Individual component kits require significant mechanical skill, precision assembly, bearing installation, and testing before installation, making this assembled option ideal for drivers prioritising convenience and guaranteed factory quality.
Why Buy from RC Model Shop?
RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the Traxxas Center drive, torque-biasing (assembled) / 17x26x5 ball bearings (2 pcs) (requires #7727X bulkheads) TRX7796 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.
- Manufacturer: Traxxas
- Part Number: TRX7796
- Product Type: Torque-Biasing Center Drive
- Condition: Factory Assembled and Ready to Install
- Included Ball Bearings: 17x26x5mm (2 pieces)
- Bearing Type: Precision Ball Bearings
- Spare Part Type: Drivetrain Spares
- Differential Type: Torque-Biasing
- Required Bulkheads: 7727X bulkheads only
- Compatible Vehicle: Traxxas X-Maxx 4WD Brushless Monster Truck (all colour variants)
- Compatible Vehicle: Traxxas X-Maxx Ultimate (Blue X and Green X variants)
- Compatible Vehicle: Traxxas X-Monster Chassis
- Compatible Vehicle: Traxxas Funco Motorsports Pro Scale 8S 2WD Electric Sand Car (red, blue, orange, and green models)
- EAN Code: 0020334779601
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