Traxxas Half Shafts Left Right Internal External Splined Metal U-Joints TRX7050

Overview

The Traxxas Half Shafts (TRX7050) are essential drivetrain components designed for serious RC enthusiasts who demand reliability and performance from their RC vehicles. Whether you're a competitive racer, weekend basher, or dedicated hobbyist running an RC car in the UK, these half shafts represent genuine Traxxas quality engineering built to handle demanding conditions. These replacement half shafts come complete with internal and external splined components plus metal U-joints, offering you everything needed to restore or upgrade your drivetrain to factory specifications.

If you're looking for genuine Traxxas spares to keep your RC vehicle performing at its best, the TRX7050 half shafts deliver the durability and precision fit that Traxxas is renowned for across the RC hobby community. Whether your existing shafts have worn out through intensive use or you're building a fresh setup, these components ensure smooth power delivery and efficient torque transfer from your motor to the wheels. The inclusion of four metal U-joints means you have everything required for a complete half shaft assembly or replacement, making this a comprehensive solution for drivetrain maintenance and upgrades.

RC enthusiasts across the UK trust Traxxas replacement parts because they maintain the exact tolerances and quality standards of original equipment, ensuring your RC model truck, buggy, or stadium truck continues to perform reliably whether you're racing competitively or enjoying casual bashing sessions.

Key Features

• Internal and External Splined Half Shafts — This package includes two internal splined half shaft components and two external splined half shaft components, giving you a complete set for either left or right side installation, allowing maximum flexibility for different repair scenarios or dual-shaft configurations.
• Four Metal U-Joints Included — The inclusion of four durable metal U-joints ensures you have the connectors needed to assemble complete half shaft assemblies, providing reliable torque transfer and articulation without deflection or binding.
• Left or Right Position Compatibility — These half shafts are designed to fit either the left or right position on your RC vehicle, making them universally suitable for most Traxxas drivetrain layouts and simplifying your spares inventory.
• Genuine Traxxas Engineering — As official Traxxas replacement parts, these components meet the exact specifications and quality standards that Traxxas engineers designed into your vehicle, ensuring perfect fit and long-term reliability.
• Efficient Power Transfer — The precision-engineered spline profiles and U-joint design work together to deliver consistent power delivery from your motor to the wheels with minimal energy loss, crucial for competitive racing and responsive handling.
• Durable Construction — Metal U-joints and precisely manufactured shaft splines resist wear and damage from hard driving, repeated acceleration, and off-road impacts that RC bashers and racers encounter during intensive sessions.

Technical Performance

The Traxxas TRX7050 half shafts represent premium drivetrain engineering designed to withstand the demands of serious RC driving. These components feature precision-manufactured spline profiles that create a secure, zero-backlash connection between the internal and external shaft segments. The metal U-joints deliver superior durability compared to plastic alternatives, resisting wear from continuous rotation and the shock loads generated during aggressive acceleration and cornering. The engineering emphasises efficient torque transfer, meaning the power generated by your brushless motor or nitro engine is delivered to the wheels with minimal loss, directly translating to improved acceleration response and handling consistency. Whether you're running a high-performance brushless RC truck, nitro-powered buggy, or any Traxxas model requiring half shaft components, these units maintain the tight tolerances necessary for smooth operation and minimal drivetrain noise. The combination of internal and external splined shafts accommodates various Traxxas drivetrain configurations, making these parts versatile replacements suitable for multiple models and repair scenarios across the Traxxas RC vehicle range.

What's in the Box

• Internal splined half shaft — 2 pieces
• External splined half shaft — 2 pieces
• Metal U-joints — 4 pieces

Frequently Asked Questions

• What Traxxas RC models do these half shafts fit? — The TRX7050 half shafts are designed as genuine Traxxas replacement parts and fit multiple models within the Traxxas range. Check your vehicle's manual or contact our RC Model Shop team to confirm compatibility with your specific Traxxas RC car, truck, or buggy before ordering.
• Are these half shafts suitable for competitive racing or just casual bashing? — Yes, these genuine Traxxas parts are engineered to handle both competitive racing and weekend bashing. The metal U-joints and precision spline design make them suitable for intensive driving sessions, repeated high-load acceleration, and the impacts associated with off-road racing and bashing.
• What's the difference between internal and external splined shafts? — Internal splined shafts have grooves cut into the interior surface that accept the external splines from another shaft component, creating a meshed connection. External splined shafts feature raised splines on the outside that slot into the grooves of an internal splined shaft. Together, these create a secure, backlash-free drivetrain connection that efficiently transfers torque without slipping or wear.
• Why are metal U-joints better than plastic alternatives? — Metal U-joints offer significantly greater durability and resistance to wear compared to plastic alternatives. They resist damage from shock loads, continuous rotation, and the cumulative stress of aggressive acceleration, cornering, and off-road impacts. For serious RC driving in the UK, metal U-joints mean longer component life and more reliable performance between maintenance intervals.
• Can I install these half shafts myself? — These are replacement drivetrain components intended for users with mechanical knowledge of RC vehicle assembly. If you're unfamiliar with half shaft installation, we recommend consulting your vehicle's manual or asking our experienced RC Model Shop team for guidance to ensure correct assembly and optimal performance.
• What should I replace these shafts alongside? — When replacing half shafts, consider inspecting and potentially replacing the U-joint pins, axle seals, and differential components. Fresh bearings and bushings in the differential housing can also improve overall drivetrain smoothness and longevity, particularly if your RC vehicle has seen intensive use.

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 Half Shafts, Left Or Right (internal splined half shaft (2 pcs) / external splined half shaft (2 pcs)) / metal U-joints (4 pcs) TRX7050 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.