Robinson Racing. 1717 Absolute Pinion 17 Tooth 32 Pitch Hardened Pinion

Traxxas 25-Tooth Pinion Gear (32-pitch) 3 mm Bore (10842)

Robinson Racing. 1719 Absolute Pinion. 19 Tooth 32 Pitch, Hardened

Traxxas 13-Tooth HD Pinion Gear (32-Pitch) 3 mm Bore (3943X)

RC Racing Associated 21 Tooth 48 Pitch Pinion Gear Aluminum Factory (1) 1339

Robinson Racing 1421 , 21 Tooth 48 Pitch Hardened Pinion

Robinson Racing Absolute 32P Hardened Pinion Gear

Robinson Racing. 1013 Pinion 13 Tooth. 48 Pitch.