Rear motorcycle sprocket by Moose Racing. This is the sprocket located on the rear wheel of the motorcycle. It is also called the "large sprocket" and is usually larger in diameter than the front sprocket. The one part of the chain is "attached" to the large sprocket, through which the movement is transferred from the engine.

It has 50 teeth, which means that it has this specific number of teeth on its perimeter. See full description

• Yamaha: YZ 125