Extra hard high carbon brushless motor pinions are built to last with our hi-performance GEN3 steel slipper units. All pinions precision machined and stamped with the number of teeth. One 4 m/m set screw included. 2 m/m allen wrench (not included) fits the 4 m/m set screw. Can be run on cars using a 5 m/m motor shaft including Traxxas, Associated, and HPI models.RRP#1200 5 m/m to 1/8 inch Reducer Sleeve required for 1/8 inch shaft motors.Note: 32 pitch and .8 module gears can be used together with no adverse affects such as increased noise or increased wear. The difference is that .8 module gears have a slightly larger outside diameter per tooth, roughly .00027 of an inch.
