BOTTOM-BRACKET-PARTS-SM-BB72-41B-PRESS-FIT-TYPE-FOR-ROAD-RIGHT-&-LEFT-ADAPTER-BEARING-INNER-COVER

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SM-BB72-41

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.

  • 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
BOTTOM-BRACKET-PARTS-SM-BB72-41B-PRESS-FIT-TYPE-FOR-ROAD-RIGHT-&-LEFT-ADAPTER-BEARING-INNER-COVER