Traxxas 9-Tooth Pinion Gear Set with Set Screw RC Component TRX7644

Overview

The Traxxas 9-T Pinion Gear Set TRX7644 is an essential replacement and upgrade component for RC enthusiasts looking to fine-tune their vehicle's performance. Whether you're a dedicated RC car UK competitor, a weekend basher, or someone exploring the world of remote control vehicles for the first time, having the right pinion gear is crucial to achieving optimal speed and acceleration. This genuine Traxxas component is engineered to precision standards and designed to work seamlessly with LaTrax and compatible RC models, making it an indispensable part of any serious RC hobbyist's toolkit.

Pinion gears are fundamental to RC vehicle drivetrain systems, directly affecting how power is transmitted from your motor to the wheels. The gear ratio created by your pinion gear selection determines your vehicle's top speed and torque characteristics, making it one of the most important tuning variables in RC racing and bashing. The 9-tooth configuration of this pinion gear is a popular choice that offers a balanced compromise between acceleration and top speed, suitable for a wide range of driving conditions and skill levels across the UK RC community.

Built to Traxxas's renowned quality standards, this pinion gear set includes a secure set screw mechanism to keep the gear firmly attached to your motor shaft, eliminating slippage and ensuring consistent, reliable performance lap after lap. Whether you're upgrading from a stock setup, replacing a worn component, or experimenting with different gear ratios to dial in your vehicle's handling, the Traxxas 9-T Pinion Gear Set is a trusted choice that delivers genuine Traxxas reliability and precision engineering.

Key Features

• 9-Tooth Pinion Configuration — The 9-tooth design provides a well-balanced gear ratio that offers excellent acceleration whilst maintaining competitive top-end speed, making it suitable for both racing and recreational bashing across various track conditions and terrain types.
• Set Screw Security Mechanism — The included set screw locks the pinion gear securely onto your motor shaft, preventing any slippage during aggressive acceleration or high-speed cornering, which ensures consistent and reliable power delivery every single time you drive.
• 48 Pitch Specification — The 48 pitch (48dp) standard is a widely recognised and compatible specification across many modern RC vehicles, ensuring this pinion gear will work with your existing LaTrax-based drivetrain systems without compatibility issues.
• Precision-Engineered Construction — Manufactured by Traxxas to exacting tolerances, this pinion gear is crafted from durable materials designed to withstand the rigorous demands of RC motorsport, whether you're racing competitively or bashing casually.
• 2.3mm Bore Diameter — The precisely machined 2.3mm bore ensures a snug, secure fit onto standard RC motor shafts, maximising contact and minimising any wobble or runout that could affect drivetrain efficiency and component lifespan.
• Genuine Traxxas Component — As an official Traxxas part, you can be confident that this pinion gear meets the same rigorous quality control standards as all Traxxas products, ensuring reliability and performance consistency that competitive builders and casual enthusiasts alike depend upon.

Technical Performance

The Traxxas 9-T Pinion Gear Set represents the pinnacle of RC drivetrain engineering, offering precise gear meshing and reliable power transmission for your RC car UK setup. With a 48 pitch specification, this pinion gear is engineered to mesh seamlessly with compatible spur gears, creating efficient power delivery from your brushless motor system to your wheels. The 2.3mm bore diameter is precision-machined to incredibly tight tolerances, ensuring it seats perfectly on standard motor shafts without any lateral play or run-out that could compromise drivetrain efficiency. The included set screw mechanism is engineered to provide secure, vibration-resistant fastening that keeps your pinion gear locked in place even under extreme acceleration forces and high-speed cornering loads. Whether you're fine-tuning your gearing for a specific track layout, upgrading from worn factory components, or experimenting with different ratios to optimise your vehicle's performance envelope, this pinion gear delivers the engineering excellence and durability that Traxxas is renowned for throughout the global RC motorsport community. The robust construction withstands repeated engagement and disengagement cycles, making it an investment that will serve you reliably across countless racing events and casual driving sessions alike.

What's in the Box

• 9-Tooth Traxxas Pinion Gear
• Set Screw for secure fastening

Frequently Asked Questions

• What is a pinion gear and why do I need one for my RC vehicle? — A pinion gear is a small toothed gear that mounts directly onto your RC motor shaft and meshes with a larger spur gear to transmit power to your vehicle's drivetrain. The pinion gear's tooth count directly determines your vehicle's gear ratio, which controls the balance between acceleration and top speed. Different tooth counts allow you to tune your RC car's performance for different track conditions, driving styles and skill levels.
• How does the 9-tooth configuration compare to other pinion options? — The 9-tooth pinion sits in the middle of the typical range, offering a balanced compromise between acceleration and maximum speed. Smaller tooth counts like 7 or 8 teeth provide more acceleration and lower top speed, whilst larger tooth counts like 10 or 11 teeth deliver higher top-end speed but slower acceleration. The 9-tooth is popular with both competitive racers and recreational bashers because it works well across a variety of driving conditions and track layouts.
• Is this pinion gear compatible with my RC model? — This Traxxas pinion gear is specifically designed for LaTrax-based RC vehicles and other models that use 48 pitch gears with a 2.3mm bore. To confirm compatibility, check your vehicle's documentation or existing pinion gear specifications. The 48dp standard is widely used across the RC hobby, but it's always best to verify before purchasing to ensure it matches your current drivetrain.
• What does the set screw do and is it important? — The set screw is a small fastener that locks the pinion gear securely onto your motor shaft, preventing any slippage or movement during aggressive driving. This is absolutely critical for consistent performance, as any movement of the pinion gear relative to the motor shaft would cause inconsistent power delivery, jumping teeth, and potential drivetrain damage. Always ensure your set screw is tightened properly before driving.
• Will this pinion gear improve my vehicle's performance? — If you're upgrading from a worn or damaged pinion gear, you'll immediately notice improved reliability and consistent power delivery. If you're experimenting with different tooth counts to tune your gearing, this 9-tooth option will either provide a good baseline or a useful middle ground for testing different ratios. Always check your vehicle's manual to understand the performance impact of different pinion tooth counts.
• How often should I replace my pinion gear? — Pinion gears are durable components, but they do eventually wear with use. Signs of wear include visible damage to teeth, slippage when accelerating, or a noisy drivetrain. For regular recreational drivers, a quality pinion gear like this Traxxas component typically lasts many hours of driving. Competitive racers who push their vehicles hard may replace pinion gears more frequently to maintain peak performance and reliability.

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 9-T Pinion Gear Set TRX7644 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.