Traxxas Steel Constant-Velocity Driveshaft Rebuild Kit TRX7751X

Overview

The Traxxas Rebuild kit for steel constant-velocity driveshafts (TRX7751X) is an essential maintenance component for serious RC enthusiasts in the UK who demand reliability and longevity from their high-performance RC vehicles. Whether you're running a Traxxas X-Maxx monster truck, an XRT competition model, or a Funco Motorsports sand car, driveshaft maintenance is crucial to keeping your RC car UK-ready for weekend bashing or competitive racing. This rebuild kit allows you to completely restore your steel CV driveshafts to factory condition, extending their lifespan and ensuring smooth, efficient power delivery to the wheels.

Driveshaft wear is one of the most common issues affecting performance in brushless RC 4WD vehicles, particularly when you're pushing your RC car to its limits. Over time, the internal components of your constant-velocity joints can wear down, leading to vibration, noise, and eventually failure. Rather than replacing expensive driveshaft assemblies, this comprehensive rebuild kit gives you everything needed to restore two complete driveshaft assemblies, making it an economical choice for budget-conscious RC enthusiasts who want to maintain their vehicles properly without constant replacement costs.

This is the genuine Traxxas rebuild solution, trusted by RC racers and bashers across the UK. If you own any compatible Traxxas 4WD model and want to keep your drivetrain in peak condition, this steel CV driveshaft rebuild kit is an absolute must-have spare part to have on hand in your workshop.

Key Features

• Complete rebuild solution for two driveshaft assemblies — This single kit provides all the components needed to fully rebuild and restore two complete steel constant-velocity driveshafts, which means you can rebuild both front and rear driveshafts or maintain spares, maximising the value and utility of your purchase.
• Includes precision pins — The kit contains specially engineered pins that are critical for the operation of the constant-velocity joints, ensuring proper articulation and power transfer without binding or excessive play in the driveshaft assembly.
• Dust boots included — Protective dust boots are provided to shield the internal joints from dirt, mud, water and debris encountered during RC car off-road driving, which extends the lifespan of your driveshaft components and reduces maintenance frequency.
• Premium grease supplied — High-quality lubricating grease is included to keep the constant-velocity joints operating smoothly and quietly, reducing friction and wear whilst protecting against corrosion and moisture ingress in wet UK weather conditions.
• Complete hardware package — All necessary fasteners and assembly hardware are included, so you have everything in one package without needing to source additional components or visit multiple suppliers.
• Steel construction for durability — The steel driveshaft components in this rebuild kit offer superior strength and longevity compared to plastic alternatives, making them ideal for aggressive driving, competition racing, and demanding terrain.
• OEM Traxxas parts — As official Traxxas factory rebuild components, these parts are manufactured to exact specifications and are guaranteed to fit and function perfectly with compatible models, providing peace of mind and reliability.
• Compatible with multiple premium Traxxas models — This rebuild kit works with the X-Maxx series monster trucks, XRT competition trucks, X-Monster chassis, Funco Motorsports sand cars, and other compatible Traxxas 4WD platforms, making it a versatile addition to your RC hobby toolkit.

Technical Performance

This Traxxas steel CV driveshaft rebuild kit represents the pinnacle of drivetrain maintenance engineering for high-performance RC vehicles. The constant-velocity joint design allows the driveshaft to transmit power efficiently whilst accommodating the articulation and suspension movement required in aggressive 4WD RC driving. Steel construction provides exceptional strength and durability compared to plastic alternatives, withstanding the shock loads and torque generated by brushless motors running on 8S LiPo batteries found in modern Traxxas vehicles like the X-Maxx and XRT. The precision-engineered pins are critical components that maintain the proper geometry of the CV joint, allowing smooth rotation without binding. The included grease formulation is specifically selected to provide optimal lubrication under the high-speed, high-load conditions experienced in competitive RC racing and extreme off-road bashing. The dust boots seal out contaminants whilst allowing the necessary articulation of the joint, maintaining the integrity of the assembly through muddy, wet, and sandy terrain commonly encountered in UK RC driving. Each rebuild kit completely restores two driveshaft assemblies, making it possible to maintain a fully refreshed drivetrain or keep backup assemblies ready for competition events. The engineering quality reflects Traxxas's reputation as a leader in the brushless RC car market, ensuring that your rebuilt driveshafts will perform reliably and consistently, whether you're competing in organised races or enjoying casual weekend bashing with friends.

What's in the Box

• Pins for two complete driveshaft assemblies (two sets included)
• Dust boots for joint protection
• Premium lubricating grease
• Complete hardware and fasteners for assembly

What You Need to Know Before Purchasing

• This rebuild kit is designed exclusively for use with the Traxxas #7750X driveshaft assembly and compatible models — ensure your vehicle uses this driveshaft type before ordering.
• Basic mechanical knowledge and tools are required to disassemble, clean, rebuild, and reassemble the driveshaft components — this is not a pre-assembled ready-to-fit component.
• Compatible Traxxas models include: X-Maxx Belted 4WD Brushless RTR 8S Monster Truck (all colours), X-Maxx Ultimate models, X-Monster Chassis, XRT VXL-8S (all colours), XRT Ultimate models, and Funco Motorsports Pro Scale 8S 2WD Electric Sand Cars (all colours).

Frequently Asked Questions

• What models are compatible with the Traxxas TRX7751X steel CV driveshaft rebuild kit? — This rebuild kit is compatible with a comprehensive range of premium Traxxas 4WD and specialist models, including the X-Maxx Belted 4WD Brushless RTR 8S Monster Truck in all colour variants (orange, blue, red, and green), the X-Maxx Ultimate models (blue X and green X), the X-Monster Chassis, the XRT VXL-8S range in all colours, the XRT Ultimate models, and the Funco Motorsports Pro Scale 8S 2WD Electric Sand Cars. Always verify your specific model number before purchasing to ensure compatibility.
• Do I need any special tools to rebuild the driveshafts with this kit? — Whilst this product includes all the necessary components for rebuilding, you will need basic RC tools and mechanical knowledge to disassemble the old driveshaft, clean the components, apply the new grease, install the pins and dust boots, and reassemble everything correctly. If you're uncertain about the process, consult the official Traxxas documentation or seek advice from experienced RC technicians at your local RC hobby shop in the UK.
• How often should I rebuild my driveshafts? — The frequency of rebuilds depends on your driving style, terrain, and maintenance practices. Regular bashers who drive aggressively on rough terrain may need rebuilds every 6-12 months, whilst recreational drivers might rebuild annually. Signs that a rebuild is needed include unusual noise from the drivetrain, vibration during acceleration, or visible wear on the dust boots.
• Why choose a rebuild kit over replacing the entire driveshaft assembly? — Rebuild kits are significantly more economical than purchasing complete replacement driveshaft assemblies, whilst providing equivalent restoration of performance and reliability. This kit allows you to maintain and refresh your existing components rather than discarding them, making it the preferred choice for cost-conscious RC enthusiasts and competitive racers who maintain their vehicles meticulously.
• Is this kit suitable for beginners in the RC hobby? — Whilst this is an authentic OEM Traxxas component, driveshaft rebuilding requires mechanical aptitude and careful attention to detail. Beginners may find this task challenging without prior experience, so it's recommended to either learn the process from experienced RC enthusiasts or have a professional technician perform the rebuild. Once learned, the skill is valuable for long-term RC vehicle maintenance.
• What makes steel driveshafts superior to plastic alternatives? — Steel offers significantly greater durability, strength, and resistance to shock loads compared to plastic materials. For high-performance brushless RC vehicles running on 8S LiPo batteries like the X-Maxx and XRT, steel driveshafts can withstand the extreme torque and power delivery without flexing, deforming, or failing, providing reliability for competitive racing and aggressive driving.

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 Rebuild kit, Steel constant-velocity driveshaft (includes pins for 2 driveshaft assemblies (use only with #7750X driveshaft) TRX7751X 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.