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