Shimano Ultegra 6800 PressFit Bottom Bracket
The all-new Shimano Ultegra 6800 PressFit SM-BB-72-41B Bottom Bracket is designed to fit frames with BB86 bottom bracket shells. These cups are lighter than the 6700 version, and reduce friction by up to 50% for more efficient spinning.
- Lightweight, strong and efficient
- 50% less friction than the 6700
- Labyrinth seals for durability in wet conditions
- Compatible with the Shimano Ultegra FC-6800 Crankset
- Compatible with frames featuring the oversize BB standard (86.5 x 41mm BB case size)