Hot Racing Steel Super Duty 32 pitch, 57 tooth rock racer spur gear for 1/10th scale Axial electric Wraith, ax10, and SCX series trucks Features: -rugged 32 pitch (0.8 Module) teeth for total reliability when using high power brushless systems -CNC machined and lightened hardened steel construction -Black oxide coating for durability and corrosion resistance -Replaces stock nylon spur gear -must use with 32 pitch (0.8 Module) Pinion gear, stock is 48 pitch You will receive: -57 tooth 32 pitch spur gear Specifications: -Number of teeth: 57 -gear pitch: 32 pitch (0.8 Module) -mounting holes: 3 -tooth face Width: 0.20 inch (5mm) -internal diameter: 0.39 inch (9.9mm) comments: - this will not fit vehicle with hex slipper. -Must use with 32 pitch (0.8 Module) Pinion gear, stock is 48 pitch