SM-BB71 Bottom Bracket press-fit MTB 41mm DIA/89.5-92mm width

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  • Regular price $149.00
  • Will be in stock after
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Compatibe with all Mountain Shimano Hollowtech-II cranksets, the SM-BB71 A is a press fit bottom bracket to suit frames compatible with this style of fitment.

This new new design allows for a wider; and therefore stronger bottom bracket shell, while maintaining a low Q-Factor.

  • Larger bearing size offering greater strength and durability
  • Compatible with 89-92 x 41mm press-fit BB shells
  • Compatible with all Shimano Mountain Hollowtech-II cranksets with 24mm spindle


  • Model number: SM-BB71-41A
  • Series: Mountain
  • Compatible with: Press-Fit BB's and Hollowtech-II cranks
  • Size: 86 x 41mm
  • Weight: 75 grams (on our scales)