The MotoSport.com Dirt Tricks Chain and Sprocket Kit includes ONE Dirt Tricks Front Sprocket, ONE Dirt Tricks Rear Sprocket, and your choice of ONE Premium Drive Chain, each with the following features: Sprockets / Chainwheels Included: If you wear out your sprockets, Dirt Tricks has the solution! What makes their sprocket so superior to anything sold? Dirt Tricks Front Sprocket: One-year warranty. Made from high-grade, shock-resistant tool steel. Machined to the tightest industry standards. Special "through" hardening process for the ultimate toughness and longevity. Made in the U.S.A.! Dirt Tricks Rear Sprocket: One-year warranty. Heat-treated nickel / chrome plated and laser-etched. Machined to the tightest industry standards and tolerance. Unique "minimalist" design and appearance.