Item Type: RC Car Differential_x000D_Material: PA+ steel_x000D_Number of Teeth: 30T_x000D_Bearing Size: Approx. 13 x 8 x 3. 5mm / 0. 5 x 0. 3 x 0. 1in _x000D_Bearing to Bearing Distance: Approx. 23mm / 0. 9in_x000D_Product Size: Approx. 37 x 30mm / 1. 5 x 1. 2in _x000D_Application:_x000D_Suitable for SCY 16101/16102/16103/16201 1/16 RC cars 1Compability: The RC car differential is for SCY 16101 16102 16103 16201 1/16 RC Car, please check carefully whether it is applicable for you RC car. 2Efficient Power Transmission System: The RC car differential can be used to vary speeds to provide smoother ride, lower RPM and higher torque. 3Deceleration Performance Improving: The RC car differential can provide a balanced ride, maximize the deceleration performance of the remote control car. 4Durable Material: The RC car differential is made of premium PA and steel material, with wear resistance, high strength, and more delicate appearance. 5Easy to Install and Disassemble: You can directly replace the original plastic parts or damaged parts, in order to obtain higher strength.