Fastrax 3/8 x 5/8 x 4mm Differential Gearbox for Team Associated RC Cars FTBB05

Overview

The Fastrax 3/8 x 5/8 x 4mm Assoc Diff Gearbox (FTBB05) is a precision-engineered differential gearbox component designed specifically for Team Associated RC models. This compact yet robust gearbox assembly is an essential upgrade or replacement part for enthusiasts who demand reliable performance from their RC car setups. Whether you're a dedicated racer in the UK RC community or a weekend basher looking to maintain peak performance, this differential gearbox delivers the quality and precision you expect from a trusted RC parts manufacturer.

Fastrax has established itself as a recognised name in the RC hobby, producing high-quality replacement parts and upgrades for a wide range of RC vehicles. The 3/8 x 5/8 x 4mm differential gearbox is compatible with Team Associated models, making it an ideal choice for RC enthusiasts who want to keep their vehicles running smoothly and performing reliably. This is not a complete vehicle or ready-to-run RC car, but rather a crucial internal component that serious RC hobbyists rely upon to maintain their equipment to the highest standards.

Available at RC Model Shop with competitive pricing and rapid UK delivery, the Fastrax FTBB05 is in stock and ready to ship to RC enthusiasts across the country. Whether you need a replacement gearbox due to wear, or you're building a custom RC setup, this component represents excellent value and proven reliability in the RC hobby market.

Key Features

• Team Associated Compatibility — This differential gearbox is engineered to fit Team Associated RC models, ensuring proper fitment and reliable performance without modification or adaptation issues.
• Precision Engineering — Fastrax components are manufactured to exacting standards, ensuring smooth operation and consistent performance across multiple use cycles and different driving conditions.
• Compact Dimensions — The 3/8 x 5/8 x 4mm size specification ensures this gearbox integrates seamlessly into compatible RC chassis designs without requiring any mechanical adjustments.
• Differential Functionality — As a differential gearbox, this component allows the wheels to rotate at different speeds during cornering, which is essential for smooth, realistic handling and reduced tyre wear on your RC vehicle.
• Trusted Brand Heritage — Fastrax is a recognised manufacturer in the RC industry, known for producing quality replacement parts and upgrades that RC enthusiasts trust for both maintenance and performance enhancement.

Technical Performance

The Fastrax 3/8 x 5/8 x 4mm Assoc Diff Gearbox is a precision differential component engineered for Team Associated RC models. The specific dimensions (3/8 x 5/8 x 4mm) are critical specifications that ensure proper fitment within compatible chassis designs. This differential gearbox is manufactured using quality materials and production techniques consistent with Fastrax's reputation in the RC hobby market. The component's primary function is to distribute engine or motor torque to the drive wheels whilst allowing them to rotate at different speeds, a feature that is absolutely essential for realistic handling characteristics, especially during cornering manoeuvres. By permitting differential rotation between the left and right wheels, this gearbox reduces binding and tyre scrub, resulting in more predictable handling characteristics and extended tyre life. The precision engineering ensures smooth engagement and reliable long-term performance, whether you're running casual weekend bashing sessions or more competitive RC activities. This is a genuine Fastrax component designed to meet the exacting standards of the RC community across the UK and beyond.

What's in the Box

• Fastrax 3/8 x 5/8 x 4mm Assoc Diff Gearbox

Frequently Asked Questions

• What is a differential gearbox and why does my RC car need one? — A differential gearbox is a crucial drivetrain component that allows your RC car's wheels to rotate at different speeds, particularly when cornering. Without a differential, both wheels are forced to turn at the same speed, causing the inner wheel to scrub and bind during turns, resulting in poor handling and increased tyre wear. The Fastrax FTBB05 provides smooth differential operation, enabling realistic, responsive handling and extending the lifespan of your tyres and drivetrain components.
• Is this gearbox suitable for replacing a worn or damaged differential? — Yes, this Fastrax differential gearbox is specifically designed as a replacement component for Team Associated RC models. If you've experienced differential wear or damage, this component will restore proper differential function and handling characteristics to your RC vehicle, provided your model is compatible with the 3/8 x 5/8 x 4mm specification.
• What Team Associated models is this gearbox compatible with? — This gearbox is designed for Team Associated RC models. We recommend checking your specific vehicle's manual or contacting our expert team at RC Model Shop to confirm compatibility with your particular model, as different Team Associated chassis may have varying specifications.
• How often should I replace my differential gearbox? — The lifespan of a differential gearbox depends on usage intensity, driving style, and maintenance practices. Under normal recreational use, a quality Fastrax gearbox should provide many hours of reliable service. Heavy competitive use, extreme driving conditions, or lack of proper differential oil maintenance may necessitate more frequent replacement. Regular inspection and proper maintenance will extend the life of your differential.
• Do I need any tools or expertise to install this gearbox? — Installation of a differential gearbox typically requires some mechanical knowledge of RC vehicle assembly and disassembly. You'll need appropriate tools such as hex wrenches and screwdrivers. If you're uncertain about installation, we recommend consulting your RC vehicle's manual or contacting our experienced team at RC Model Shop for guidance.

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 Fastrax 3/8 X 5/8 X 4mm Assoc Diff Gearbox FTBB05 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.