Traxxas 4728 Pinion 28T 48DP
Boost acceleration, out-of-the-corner punch, and run time, by installing an 16-tooth pinion gear with the stock 83-tooth spur gear, or install a 23-tooth pinion gear to attain higher top speeds. Traxxas 28-tooth 48-pitch replacement pinion gear is the ideal replacement part for fine tuning your Traxxas 4-Tec 4WD remote control sedan with metal construction. ncludes: One Pinion Gear One Set Screw  Specifications: Teeth: 28 Pitch: 48