Overview
The Traxxas Ring Differential, 42-tooth TRX7779 is an essential drivetrain spare part designed for Traxxas RC models. This differential ring gear is a critical component of your RC car's transmission system, responsible for transferring power from the motor to the wheels whilst allowing them to rotate at different speeds during cornering. Whether you're a dedicated RC enthusiast in the UK maintaining a competition-grade model or a weekend basher looking to keep your RC car UK in peak condition, having quality replacement differential gears on hand ensures your vehicle remains ready for action at all times.
As a genuine Traxxas spare part, the TRX7779 ring gear is engineered to OEM specifications and built to withstand the demands of serious RC driving. This 42-tooth differential ring gear is a direct replacement component for compatible Traxxas models, making it an ideal choice for hobbyists who want to maintain their vehicles with authentic parts. The differential is a precision-engineered drivetrain component that plays a vital role in your RC car's handling characteristics and acceleration performance, making this spare part a worthwhile investment for anyone serious about their RC experience.
Whether you need to replace a worn differential due to heavy use, upgrade your existing setup, or simply keep spare parts on hand for competition days, this Traxxas differential ring gear offers reliable performance and durability. Stocking quality replacement parts like this ensures your RC car UK adventures never have to stop due to mechanical failure.
Key Features
- Genuine Traxxas OEM Component — This ring gear is manufactured to original equipment manufacturer specifications by Traxxas, ensuring perfect fitment and compatibility with your Traxxas RC model and guaranteed durability compared to aftermarket alternatives.
- 42-Tooth Design — The 42-tooth configuration is precision-engineered to provide the correct gear ratio for your differential assembly, directly affecting acceleration, top speed, and overall drivetrain efficiency of your RC car.
- Drivetrain Spare Part — As a critical drivetrain component, this ring gear is essential for maintaining smooth power delivery from your motor to the wheels, ensuring optimal handling and performance during both casual driving and competitive racing.
- Direct Replacement — This part is a direct replacement for compatible Traxxas models, making installation straightforward for users with basic mechanical knowledge and allowing you to get back to driving quickly.
Technical Performance
The Traxxas Ring Differential TRX7779 is a precision-machined drivetrain component manufactured to exact OEM tolerances. As the 42-tooth ring gear, it forms part of the differential assembly that manages power distribution to the wheels whilst allowing rotational speed differences during turns. The differential ring gear is a critical element in your RC car's drivetrain system, working in conjunction with pinion gears and spider gears to ensure smooth acceleration and controlled cornering. This component is engineered from durable materials designed to withstand the stresses of high-performance RC driving, whether you're running on-road racing circuits or off-road terrain. The precision engineering ensures minimal backlash and maximum efficiency in power transfer, contributing to your RC car's overall performance characteristics. Quality differential components like this TRX7779 are essential for maintaining the reliability and responsiveness of your Traxxas RC model, particularly in competitive environments where drivetrain consistency is paramount.
What's in the Box
- Traxxas Ring Differential 42-tooth (TRX7779)
What You Need to Complete
- Compatible Traxxas RC model (differential assembly compatibility required)
- Basic mechanical tools for installation (screwdrivers, hex keys)
- Threadlocker for differential cover screws (recommended)
Frequently Asked Questions
- What Traxxas models is the TRX7779 ring gear compatible with? — The TRX7779 is designed as a genuine Traxxas spare part for compatible Traxxas RC models. You should verify compatibility with your specific model's documentation or contact our expert team at RC Model Shop to ensure correct fitment before purchasing.
- How do I know if my differential ring gear needs replacing? — Signs that your differential may need attention include grinding noises from the drivetrain, reduced acceleration, unusual vibration during cornering, or visible damage to the differential housing. If you experience any of these symptoms, inspection of your differential components is recommended.
- Is installation difficult for someone new to RC maintenance? — Installing a differential ring gear requires removing the differential cover and carefully replacing the ring gear component. Whilst not overly complex, it does require basic mechanical aptitude and the right tools. If you're unsure about the process, our experienced team at RC Model Shop is happy to provide guidance or recommend professional assembly services.
- Why should I choose genuine Traxxas parts over aftermarket alternatives? — Genuine Traxxas parts like the TRX7779 are engineered to exact OEM specifications, ensuring perfect compatibility, optimal performance, and reliability. They're designed to work seamlessly with your specific Traxxas model and maintain the engineering standards that Traxxas vehicles are known for. Aftermarket components may introduce fitment issues or performance inconsistencies.
- Will this improve my RC car's performance? — Replacing a worn or damaged differential ring gear restores your drivetrain to its original performance specification rather than improving beyond stock. A worn differential can actually degrade acceleration and handling, so replacement ensures you maintain peak performance characteristics.
- What maintenance do I need to do after installation? — After installing a new ring gear, ensure all differential cover screws are properly tightened and use threadlocker to prevent them loosening during use. Regular inspection of your differential for signs of wear and damage is recommended, particularly if you drive frequently or competitively.
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 Ring Differential, 42-tooth TRX7779 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.
- Brand: Traxxas
- Model Number: TRX7779
- EAN: 0020334777904
- Product Type: Differential Ring Gear
- Spare Part Classification: Drivetrain Spares
- Teeth Count: 42-tooth
- Application: Ring Differential Component
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
