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- SHIMANO Deore SM-BB51 Hollowtech II Bike Bottom Bracket English Threaded BSA 68/73mm
- Fits all Shimano Mountain Hollowtech II cranksets, 24mm Spindled cranks where the spindle is part of the drive arm
- For either 68mm or 73mm wide English threaded bottom bracket shells
- BB/Frame Interface: English
- Weight: 94 g
lundeng OEM SHIMANODeore SM-BB51 Hollowtech II Bike Bottom Bracket English Threaded BSA 68 73mm B0814MHLXR