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Shimano SM-BBR60 Ultegra/FC-CX70/105 Hollowtech II Bottom Bracket
Designed for Hollowtech II road cranks
Lightweight, durable
High-quality bearings and enhanced sealing
24mm threaded (BSA/ITA) bottom bracket
Anodized aluminum cups
BSA (1.37 x 24 TPI) for 68mm shells, or Italian thread (70mm)
