Hope T-Rex Expander Sprocket Fclothingsize_Large DT Swiss SRAM XDR Freehub

DT Swiss SRAM XDR Freehub Body

rear derailleur

Works on 5- to 12-speed road and mountain bike cassettes and freewheels

sealed cartridge axle unit

less heat build up

Hope T-Rex Expander Sprocket Fclothingsize_Large DT Swiss SRAM XDR FreehubHope T Rex Expander Sprocket The Hope T Rex ratio expander allows you to upgrade your existing 11 36 10spd cassette to give an 11 40T range. The T Rex simply installs behind your existing cassette and replaces one of the smaller sprockets, usually the 17T. Shimano and SRAM specific 40T sprockets have been designed, this gives us the following benefits which wouldnt be possible with a larger sprocket size or with a universal type design