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Home   Bottom Brackets   Shimano Bottom Bracket SM-BB91-42A
     

    Shimano Bottom Bracket SM-BB91-42A

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    Shimano BB91-42A Press Fit Bottom Bracket, XTR quality, compatible with all MTB hollowtech 2 chainsets.
    • Complete XTR level press-fit bottom bracket assembly for Shimano HollowTech II MTB cranks
    • Cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage
    • Set includes left and right hand cups, 2.5 mm spacer
    • Sealed cups keep out dirt and water
    • Maintenance free
    • Compatible with 89.5 mm (with 2.5 mm spacer) and 92 mm shells
    • 42 mm cup diameter
    • Easy press-fit installation
    • Please note - not supplied with inner sleeve
       

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