All bottom brackets are not created equal. That's why Shimano bottom brackets outlast almost all others. Superior sealing, ultra-tight manufacturing tolerances and quality bearings combine to make a bottom bracket that rolls freely and never develops play. Bottom bracket cups for Shimano XTR, XT, SLX Hollowtech II cranksets. Specs:
Model: SM-BB93
Actual weight 66 grams
Compatible with all Shimano Hollowtech II mountain cranks
Advanced sealing technology reduces friction by 50%
