Robinson Racing Extra Hard Steel 5mm Bore .8 Mod Pinion Gears fit brushless motors with a 5mm shaft and are intended for use with the Traxxas E-Maxx model #3905.
Super hard, heat treated, "Absolute" pinion gears are a must for using with our steel spur gears and will last and last if used with plastic spur gears.
Metric .6 module pinions precision cut from hard steel alloy, lightened for reduced weight. Most commonly used on Kyosho and Tamiya electric cars and trucks.
