Vortex 312DZK-55 Aluminum Rear Sprocket 55-Tooth

The Vortex 312DZK-55 is an aluminum rear sprocket with 55 teeth. It bolts to the rear wheel hub and carries engine power from the drive chain to the rear wheel. Riders also call it a rear drive sprocket or chain sprocket.

Key Features:

• Aluminum construction
• Rear sprocket position
• 55 teeth

The tooth count sets the final drive ratio. A sprocket with more teeth gives quicker acceleration, which is why riders often choose a larger rear sprocket when changing their gearing.