Product details:
High performance sprocket made to be lightweight, but very durable Two-piece design features a 7075 T6 aluminum center with an Electro-less Nickel Coated carbon steel outer ring. Outlasts aluminum sprockets by 300% and is 50% lighter than steel sprockets. Developed to meet the most demanding racing conditions. The Stealth sprocket has helped win 7 world titles and was used on the 2007 Dakar Rally winning race team.