Rear drive sprocket commonly used on electric scooters. This sprocket has 80 teeth and is compatible with #25 chain. This sprocket is a compatible sprocket for the Minimoto Motocross XRF500, as well as the Razor MX350 and MX400 Dirt Rockets. Teeth: 80 Chain: #25 Mounting Hole Circle: 2-9/16" Mounting Holes: 4 ![]() | |