The hope T-REx adapts a 11-36 10spd cassette to give an 11-40t range
T-REx ring installs behind existing cassette, replacing one of the smaller sprockets, usually 17t
Shimano and Sram specific tooth profiles and shifting
Compatible with:
Shimano XT and XTR 11-36 10spd cassettes
Sram PG1030, PG1050 and PG1070 11-36 cassettes
Colour: Silver