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SM-BB72-41 Bottom Bracket
 
SHIMANO ULTEGRA - Bottom Bracket - Press Fit - HOLLOWTECH II - 86.5 mm shell width
With reliable SHIMANO bearings and seals, the SHIMANO ULTEGRA bottom bracket has a long service life.
 
FEATURE:
Optimum power transfer
Lightweight maintains efficiency
DURA-ACE proven 4-arm design: Same stiffness and lighter weight
14 g lighter weight and half the friction of the SM-BB6700, while maintaining the same durability
Variety choice of gearing: 53-39T/52-36T/50-34T/46-36T
Weight: 69 g
 
SKU: SM-BB72-41
 
***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***