
This is the Extra Hard 5mm .8 Module 16 Tooth Brushless Motor Pinion Gear from Robinson Racing. FEATURES: Extra Hard Construction, gun in color Fits motors with shaft diameter of 5mm Will also work on stock motors using the a reducer sleeve (RRPC1200) INCLUDES: One 5mm .8 Module 16T Pinion Gear One 4x4mm set screw (RRPC1201) REQUIRES: Installation onto the motor shaft SPECS: Length: 0.47" (12mm) Mounting hole diameter: 5mm