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Shimano BB91 MTB Press Fit Bottom Bracket

  • Shimano BB91 MTB Press Fit Bottom Bracket
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Product Description

Complete press-fit bottom bracket assembly for Shimano HollowTech II MTB cranks, for use with Specialized frames with a 84.5mm bottom bracket shell width.


  • Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage
  • Set includes left and right hand cups
  • Frame Shell Width: 84.5mm
  • Cup Outer Diameter: 42mm
  • Compatibility: Specialized frame specific

Colour : Black

Size : 84.5mm

Option : 42mm Cup

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Shimano  MTB  Bottom  Bracket  Press Fit  

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