3-speed transmission is the ideal solution for a complete heavy-duty transmission kit. Based on years of product development on the Axial 3 gear transmission platform, this transmission includes the components to create a heavy-duty integrated package. Direct replacement for any Axial with factory molded 3-speed transmission. Machine-machined aluminum transmission (left and right halves) Global bearings. Cut-hardened steel gears. Steel output and shafts. Notched slide eliminator with machined slide lock plate. Machine-machined aluminum gear guard provides protection from wires, rocks and debris. Machine-machined aluminum motor plate features an additional fourth mounting hole location for improved motor plate support, helping to reduce torque and flexing of the motor plate under load. Skateboard machine threaded flat hardware. Colour:Red Material:Aluminum Alloy Package Contents: 1 x RC Car Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.