PREMIUM GEARING SOLUTION Introducing the Integy INTC29166 Mod 1 17 Tooth Pinion Gear, expertly crafted for radio controlled cars and trucks, compatible with motors featuring a 5mm shaft. PRECISION CUT DESIGN Our Billet Machined MOD-1 Pinion Gears are meticulously designed with a precision-cut tooth surface to enhance your gear ratio, ensuring efficient and reliable performance. VERSATILE FIT Engineered for most brushless electric R/C vehicles, this pinion gear guarantees an optimal fit and functionality within your model. RANGE OF SIZING Available in a variety of sizes from 11-teeth up to 22-teeth, tailored to meet your specific racing needs and giving you the versatility to fine-tune your setup. Explore the world of precision engineering with the Integy pinion gear, where quality meets performance in your R/C vehicle experience.