Item Type: RC Car Motor Gear_x000D_Material: Steel_x000D_Color: Black_x000D_Module: M1. 5_x000D_Inner Hole Diameter: Approx. 8mm / 0. 31in_x000D_Application: For 1/5 model car, such as for TRAXXAS 6S 1/5, for 8S remote control car. 1High Strength Material: M1. 5 8mm motor gear is made of premium steel material. The gear has strong wear resistance, corrosion resistance, good performance and long service life. 2Work Smoothly: The M1. 5 8mm RC motor gear has good processing, low roughness and noise, making them roll smoothly. 3Easy Installation: Light in weight and compact in size, easy installation, simple operation, and a set screw is provided in the package. 4Stable Rolling: Designed to have a sturdy structure, the rc car motor gear ensures stable rolling and reliable power handling ability, suits for intensive and flexible movements. 5Applicable Model: The RC motor pinion gear is an ideal replacement for 1/5 model car, such as for TRAXXAS6S 1/5, for 8S remote control car.