Team Corally 48 DP Pinion Gear 27 Teeth Hardened Steel 3.17mm C-71427

Overview

The Corally 48 DP Pinion Short Hardened Steel 27 Teeth Shaft Dia. 3.17mm (C-71427) is a precision-engineered replacement pinion gear designed for RC car enthusiasts across the UK who demand reliability and performance. Whether you're building a competitive race setup, maintaining your existing RC car, or upgrading your drivetrain for better performance, this high-quality pinion gear from Team Corally delivers the precision engineering and durability that serious RC hobbyists expect. Manufactured to exacting standards using special hardened steel and CNC production techniques, this pinion represents the perfect choice for anyone seeking to optimise their RC car's gearing system.

As an RC hobbyist in the UK, you'll appreciate that finding the right pinion gear is essential for achieving your desired gear ratio and ensuring smooth, vibration-free operation on the track. The 27-tooth configuration combined with the 48 DP (diametral pitch) specification makes this pinion compatible with a wide range of modern RC car platforms, allowing you to fine-tune your vehicle's acceleration and top speed characteristics. Team Corally's commitment to manufacturing excellence means you're investing in a component that will withstand the demands of competitive racing, casual bashing, and everything in between.

This is not just another generic pinion gear – it's a purpose-built component created on specialised gear machines with ultra-precise tooth shaping technology that ensures concentricity and vibration-free running. Every detail has been considered, from the material selection through to the final quality control, making this an excellent upgrade or replacement option for your RC car project.

Key Features

• Special Hardened Steel Construction — The pinion is manufactured from specially hardened steel that provides exceptional toughness and resistance to wear, ensuring that your gear will maintain its integrity through thousands of operating cycles and competitive runs without stripping or degrading.
• CNC Cut Teeth with Perfect Concentricity — Each tooth is machined using CNC technology to achieve perfect tooth shape and precise concentricity, which means the gear runs truer and smoother, reducing vibration and noise while maximising power transmission efficiency to your RC car's spur gear.
• Ultra-Precise Tooth Shaping — Created on a special gear machine, the pinion features ultra-precise tooth geometry that ensures smooth engagement with your spur gear, resulting in vibration-free operation that translates to better handling, improved traction, and a more responsive driving experience on any RC track in the UK.
• Easy Identification Marking — Each pinion is clearly marked with its tooth number (27T in this case), allowing for quick and easy identification, making gear changes and maintenance straightforward whether you're at the track or at home in your workshop.
• Module 48 DP Specification — The 48 DP (diametral pitch) rating ensures compatibility with all cars equipped with 48 DP gears, giving you confidence that this pinion will fit your RC vehicle and allowing you to explore different tooth count options to find the perfect gearing for your track conditions and driving style.
• 3.17mm Motor Shaft Diameter — The pinion is designed to fit directly onto 3.17mm diameter motor shafts, which is a standard specification across many popular RC car platforms, making installation straightforward without requiring additional adapters or modifications.
• 4.0mm Teeth Width — The substantial teeth width of 4.0mm provides excellent surface area for power transmission and load distribution, ensuring the pinion can handle the stresses of acceleration and deceleration without tooth breakage or slipping.
• Compact 9.0mm Gear Length — The short pinion design at 9.0mm in length is optimised for modern RC car designs, fitting neatly into contemporary drivetrain layouts while maintaining maximum contact between pinion and spur gear teeth.
• 1.5mm Hex Key Adjustment — The pinion utilises a standard 1.5mm hex key for installation and removal, meaning you'll use tools you likely already have in your RC toolkit, making gear changes quick and hassle-free at the track or in your workshop.
• Made in Europe — Manufactured to rigorous European engineering standards, this pinion represents quality craftsmanship and reliability that's been proven in competitive racing environments across the continent.
• Available in Multiple Tooth Counts — Team Corally produces this pinion in various tooth configurations, allowing you to select different gear ratios to optimise your RC car's performance for different track conditions, whether you prefer aggressive acceleration or higher top speed.

Technical Performance

The Corally 48 DP Pinion delivers exceptional technical performance through a combination of material science and precision manufacturing. The special hardened steel used in its construction provides a Rockwell hardness rating that resists wear and maintains dimensional stability even under the intense stresses of competitive RC racing. The CNC cutting process ensures that each tooth profile matches exactly to specification, with concentricity tolerances so tight that runout is virtually eliminated – this is the engineering difference between a budget pinion that produces vibration and a premium component that runs silently. With a 4.0mm tooth width and 9.0mm overall length, the gear presents a large contact area to the spur gear, distributing loads evenly and reducing the pressure concentration that can lead to premature wear or failure. The pinion's short design (9.0mm) is optimised for modern RC car architectures where drivetrain space is at a premium but performance cannot be compromised. For RC car UK users, this means the 27-tooth configuration with 48 DP specification integrates seamlessly into the latest competitive platforms whilst maintaining backward compatibility with established vehicles. Whether you're running a lightweight carpet racing buggy or a more robust off-road RC truck, this pinion's hardened steel construction and precision engineering ensure consistent, reliable operation across multiple seasons of use. The vibration-free running characteristic is particularly important for maintaining precise steering response and maximising traction control, factors that directly impact your lap times and overall driving experience at the track.

What's in the Box

• 1x Corally 48 DP Pinion Gear, 27 Teeth, Hardened Steel

What You Need to Complete

• 3.17mm Motor Shaft (standard equipment on compatible RC car motors)
• 1.5mm Hex Key (for installation and adjustment)
• Compatible RC Car with 48 DP Spur Gear System

Frequently Asked Questions

• What is a pinion gear and why do I need it for my RC car? — A pinion gear is a small gear mounted on your RC car's motor shaft that meshes with a larger spur gear to transmit power from the motor to the drivetrain. The tooth count ratio between the pinion and spur gear determines your vehicle's gear ratio, which directly affects acceleration and top speed. This 27-tooth pinion is a specific tooth count option that allows you to fine-tune your RC car's performance for your preferred driving style and track conditions.
• Is the Corally 48 DP Pinion C-71427 suitable for beginners? — Absolutely. While this is a high-quality, precision-engineered component that satisfies competitive racers, it is equally appropriate for beginners and casual RC car enthusiasts. The straightforward 1.5mm hex key installation means even newcomers to the hobby can change or upgrade their pinion gear without specialised tools or technical knowledge. The hardened steel construction ensures durability for learning drivers who may be less precise with throttle control.
• What is the difference between 48 DP and other pinion specifications? — DP (diametral pitch) is a standard measurement that defines the size of the gear teeth. A 48 DP pinion has smaller teeth than lower DP numbers like 32 DP. The 48 DP specification in this pinion means it is compatible only with other 48 DP gears in your RC car's drivetrain – you cannot mix 48 DP with 32 DP or other specifications. Always verify your vehicle's DP specification before purchasing a replacement pinion to ensure compatibility.
• How do I know if the 27-tooth configuration is right for my RC car? — The 27-tooth count is a mid-range option that provides a balance between acceleration and top speed. Higher tooth counts (like 29T or 31T) provide faster acceleration but lower top speed, whilst lower tooth counts (like 25T or 23T) increase top speed but reduce acceleration. If you currently run a different tooth count and want to experiment with gear ratios, Team Corally manufactures this pinion in a range of tooth options, allowing you to discover your ideal setup. Consult your vehicle's manual or manufacturer recommendations for the standard pinion tooth count for your specific RC car model.
• What makes this pinion better than cheaper alternatives available in the UK? — The Corally 48 DP Pinion stands apart through its use of special hardened steel, CNC precision manufacturing, and rigorous quality control. Budget pinions are often stamped or cut using less precise methods, resulting in irregular tooth profiles that cause vibration, noise, and accelerated wear. The hardened steel used in this Corally pinion resists deformation under load, maintaining dimensional accuracy throughout its service life. The ultra-precise concentricity ensures smooth running and minimal vibration, which translates directly into better handling characteristics and longer component lifespan – ultimately representing better value for money despite a higher initial purchase price.
• Is this pinion compatible with my RC car? — This pinion is compatible with any RC car equipped with a 3.17mm motor shaft and 48 DP gearing system. Most modern Corally RC cars, along with many vehicles from other manufacturers, use this standard specification. However, always verify your vehicle's specifications before purchasing. The product description should list your vehicle's compatible components, or consult your RC car's manual or the manufacturer's website. If you're uncertain, our expert team at RC Model Shop can help you identify whether this pinion is suitable for your specific RC car model.
• How often should I replace my pinion gear? — With proper maintenance and the hardened steel construction of this Corally pinion, you can expect extended service life. Replacement becomes necessary when you notice noise during operation, visible tooth wear, or when attempting to change your vehicle's gear ratio. Regular inspection during maintenance sessions will help you identify when replacement is needed. Many competitive racers keep spare pinions with different tooth counts in their toolkit, allowing quick gear ratio changes between races without waiting for new parts to arrive.
• Can I use this pinion with different spur gear tooth counts? — No, you must use a compatible 48 DP spur gear with this pinion. The tooth profile and size are designed specifically for 48 DP engagement. Attempting to use this pinion with 32 DP or other DP specifications will result in poor mesh, excessive vibration, noise, and premature wear of both components. Always ensure your spur gear matches the 48 DP specification of this pinion for optimal 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 CORALLY 48 DP PINION SHORT HARDENED STEEL 27 TEETH SHAFT DIA. 3.17mm C-71427 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.