The MotoSport.com Pro Taper Chain And Steel Sprocket Kit includes ONE Steel Countershaft (Front) Sprocket, ONE Steel Rear Sprocket, and your choice of ONE Premium Drive Chain, each with the following features: Sprockets / Chainwheels Included: ATV Front Sprocket: Durable, lightweight front sprockets that are designed specifically to outlast and out-perform the competition. All of Pro Taper's sprockets are available for most make and model dirtbikes. Precision broached and machined to the strictest standards. Case-hardened chromoly steel. Lightening holes keep sprocket lightweight. Self-cleaning mud grooves prevent dirt build up. Special coating helps retain strength and aids in wear resistance.