XTR Dyna-sys 11-speed M9000 hosts a whole load of new technology keeping at the forefront of front derailleurs, it's truly the elite racers choice.Designed specifically with modern trail bikes in mind, Shimano's XTR side swing technology front derailleur increases tyre clearance by 15mm, while new cable routing resulting in the lightest shifting action yet.Key Features:Side swing - side pull front derailleurs allow bike manufactures to continuously push frame design without limitation.,Light alloy cage reduces weight and improves performance, nickel-plated finish prevents chain wear.,Developed specifically for triple chainsets and frames with a direct mount.,Side pull cable routing.,40T maximum top gear, 18T total capacity.,Dyna-Sys 11-speed design - for use with Dyna-Sys 11-speed drivetrains..