Drive train Components
Bottom bracket cups for Shimano Ultegra FC-6800 Hollowtech II cranksets.
- Actual weight 76 grams
- Compatible with all Shimano Hollowtech II road cranks
- Advanced sealing technology reduces friction by 50%
- English thread
- Made in Japan
Bottom bracket bearing cups with smaller than before. The necessary adapter, TL-FC25 is included for installation .