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Shimano Ultegra BB72-41B Press-Fit Bottom Bracket  Shimano Ultegra BB72-41B Press-Fit Bottom Bracket
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Ultegra BB72-41B Press-Fit Bottom Bracket

Mfg PartNum:ISMBB7241B
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Ultegra level bottom bracket for Shimano Hollowtech II cranksets in press-fit bottom bracket shells.

With reliable SHIMANO bearings and seals, the Shimano Ultegra bottom bracket has a long service life.

  • 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
  • 86.5 mm shell width
  • Weight: 69 g

  • B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

    The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.


    Weight: ~69 g


    Gearing: 53-39T/52-36T/50-34T/46-36T 

    Mfg PartNum: ISMBB7241B 

    Bottom Bracket STD: PF24