THE ONEUP 10T CLUSTER REQUIRES A COMPATIBLE MINIDRIVER FREEHUB BODY. We currently produce MiniDriver Freehub bodies for DT Star Ratchet hubs only. This enables you to Convert your DT Star Ratchet equipped hub to accept a 10T shark cluster. ONEUP YOUR SHIMANO 11 SPEED DRIVETRAIN WITH THE 10T SHARK SPROCKET CLUSTER, FOR XT AND XTR Compatible with Shimano 11 Speed (M8000/M9000) cassettes. OneUp Components Shark 10T Sprocket Cluster is one part of the widest modular 11-speed 1X system ever created. A climb crushing, descent hammering, 500% of range. The 10T upgrade increases the stock Shimano 11 speed cassette range by 10%. Kit contains: 10T - 12T CNC cluster, 14T and 15T sprockets ~ 10/12/14 Cluster is for 11-40T and 11-42T Shimano Cassettes ~ 10/12/15 Cluster is for 11-45T, 11-47T, and 11-50T OneUp'd Shimano Cassettes Ride faster, higher and longer with a wider range cassette. SPEC Cassette Progression: ~ 10-12-14-17-19-21-24-27-31-35-40 (11-40 converted to 10-40) ~ 10-12-14-17-19-21-24-28-32-37-42 (11-42 converted to 10-42) ~ 10-12-15-18-21-24-27-31-35-40-45 (11-45 OneUp'd Shimano converted to 10-45) ~ 10-12-15-18-21-24-28-32-37-42-47 (11-47 OneUp'd Shimano converted to 10-47) ~ 10-12-15-18-21-24-28-32-37-42-50 (11-50 OneUp'd Shimano converted to 10-50) Compatibility: Shimano 11-spd 11-40, 11-42, OneUp'd Shimano 11-45, 11-47 and 11-50 cassettes Freehub requirement: OneUp MiniDriver (or compatible) Cassette range improvement: 10% Converted weight change: 0g Colour: Nickel Plated cluster with Green Lockring INSTRUCTIONS First ensure you have a compatible MiniDriver freehub body on your hub. Remove the first 3 sprockets and lockring from your stock cassette. Assemble the OneUp 10T sprocket cluster with either the 14T or 15T included sprocket depending on which Shimano cassette you are converting (See Specs above). Reassemble stock cassette onto the MiniDriver freehub, then assemble the 10T cluster together on to the MiniDriver and secure with the OneUp 10T Cluster Lockring. Please visit our website at http://www.ecomtb.com.my OR https://shopee.com.my/eco_mtb ** There is 1-3cm errors due to manual measurement. Please kindly understand. ** Actual product colour may slightly vary due to photographic lighting sources or your monitor settings. ** WE DO NOT DO COD ** ONLINE ONLY ** We support original products only. ** PRICE INDICATED IS ALREADY BEST PRICE, EXCLUDE COURIER