. The Shimano XTR CD800 Front Chain Device provides guaranteed drivetrain stability. This guide is perfect if you intend to be riding over demanding terrain, require race-proof chain stability or like to have extra drivetrain trail security. This lightweight & durable chain device features a resin material top guide, which ensures that your drivetrain remains silent while providing complete efficiency & eliminating chain-drops
Features:
Material: Bracket: Aluminium; Guide: Resin Intended Crankset Standard: Single Rear Cassette Ratio Compatibility: 10-45T, 10-51T Chain Compatibility: Shimano CN-M9100 Chain Line: 52mm Mount: ISCG 05 Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.