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 Hollowtech II mountain cranksets.
Deore Spec SM-BB52
Actual weight 90 grams
Compatible with all Shimano Hollowtech II mountain cranks
Advanced sealing technology reduces friction by 50%
English thread 68/73mm
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