Shimano Ultegra 6800 HollowTech II Bottom Bracket
The Shimano Ultegra 6800 bottom bracket offers a slightly updated shape and promises of up to half the friction over the previous 6700 bottom bracket. The Ultegra 6800 bottom bracket shaves approximately 14 grams over its predecessor, weighing in at just 77 grams.
- Model No: SM-BBR60
- Average weight: 77 grams
- Hollowtech II BB Type: Threaded bottom bracket type
- TLFC37 or TLFC25 spanner adaptors are not included
- Shell Type: External
- Shell Width: 68mm (English) or 70mm (Italian)
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