Introducing the Muchmore Racing 5mm Hardened Steel Motor Pinion Gear 21T, a must-have for any radio control model car enthusiast looking to elevate their performance. Identified by Item Number MMR-MX-5PG21T, this pinion gear is expertly crafted from premium hardened steel, offering exceptional durability and resilience under high-stress conditions. Its meticulously designed 21-tooth configuration ensures seamless and efficient power transfer, significantly boosting the performance of your RC model. With a 5mm bore size, it is compatible with a wide array of motors, making it a versatile and straightforward addition to your setup. Whether you’re enhancing your current model or embarking on a new build, the Muchmore Racing pinion gear promises unmatched reliability and top-tier functionality, ensuring your RC models consistently perform at their best.