Ride anywhere 11-speed rider tuned gearing. The power to choose how and where you ride. Consistent shifting performance and enhanced chain management. Optimal balance of durability and lightweight. High efficient and precise shifting. Various choices for bike and riding style. More durable chainwheel teeth. New 3D composite chain ring's teeth composition is optimized for each chainwheel load out (1x11, 2x11 & 3x11) with steel driving gear teeth and aluminum support gears. Improved driving rigidity. lose ratio gear combination for minimum shifting gap and maintaining rhythm. Enhanced chain retention. Better sealing and better rotation.