Ultegra/105 level Hollowtech II bottom bracket
Shimano, SM-BBR60, Hollowtech II Bottom Bracket, BSA, 68mm, 24mm, Grey, ISMBBR60B
Compatible with all road Hollowtech II cranks
Compact and practical
Securely stows one road tube, tire levers and a patch kit
External tool pouch is designed to fit any Lezyne 4-bit tool
Water-resistant zippers with silent zipper puller
1/8th inch chain for single speed use
Plate thickness and standard riveting
Pin width: 8.6mm
RustBuster coating (500292-05 only) increases resistance to rust; ideal for winter riding or salty environments
399g (112L)
