This fits your . Make sure this fits by entering your model number. A high performance chainset from the classic MTB group, using the most advanced 11-speed Dyna-Sys chainrings Forged HollowTech II aluminium cranks offer unrivalled strength-to-weight ratio Lightweight construction with external super smooth bottom bracket bearings for efficient use8 Steel inner ring combined with a thicker aluminium and carbon composite Hollow outer ring for excellent rigidity and durability Close ratio gear combination for minimum shifting gap provides improved cadence while reducing pedal feedback on suspension bikes