Shimano XTR SM-BB93 Hollowtech II Treaded Bottom Bracket 49N Tapered grip body & offset

Tapered grip body & offset core increases impact dampening on top with bettere feel underneath

The CS-M9200 is the further development of HYPERGLIDE+ shifting technology

Enduro Specific Spindle: A thicker enduro-specific spindle raises the mark for durability and big- hit survivability

and new brake pads eliminate rattling noise caused by vibration

Shimano XTR SM-BB93 Hollowtech II Treaded Bottom Bracket 49N Tapered grip body & offsetShimano, SM BB93, Hollowtech II Bottom Bracket, BSA, 68 E 73mm, 24mm, Silver, ISMBB93B Compatible with all mountain Hollowtech II cranks BB Shell Thread British BB Shell Width 68 E 73mm BB Bearing Steel Crank Spindle Diameter 24mm Interface Hollowtech II Primary Color Black