Shimano SM-BB52 Bottom Bracket Deore For 68/73mm BB

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.

Specs :

- 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
- Made in Japan