Item Type: RC Steel Diff Gear_x000D_Product Type: RC Accessories_x000D_Material: Steel_x000D_Color: Black_x000D_Weight: 23g / 0. 81oz_x000D_Number of Teeth: 35T 10T_x000D_35T Gear Size: Approx. 3. 1x0. 9cm / 1. 2x0. 4in_x000D_10T Gear Size: Approx. 2. 4x1. 2cm / 0. 9x0. 5in_x000D_Suitable For: For 1/10 RC Crawler 1Prime Material: Made of premium steel material, stable performance, not easy to deformation, wear resistance, high strength and long service life. 2Good Performance: Less gear vibration, less noise, less wear, can provide greater strength and smoother operation than ordinary straight bevel gears. 3Helical Gear Design: 10T 35T gears reduce speed about 9%, helical gear design, by adjusting the gear ratio and torque, the vehicle has better climbing performance. 4Lightweight: Light weight does not increase the burden of the RC car and can provide a balanced ride to maximize the performance of the RC car. 5Reasonable Design: Easy installation and disassembly for direct replacement of original parts or damaged parts for higher strength.