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Shimano BB-91A Press Fit Bottom Bracket

Item #: BB260P00
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USD$41.99 30% off USD$59.99 msrp
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Shimano bottom bracket for Press-Fit applications. This item allows you to mount Shimano Hollowtech II mountain bike cranksets to select MTB frames which use Press-Fit bottom brackets.   
  • Manufacturers part number ISMBB9141A
  • Please note that this item will not work unless your frame is specifically built to the BB91 standard

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REVIEW SNAPSHOT®

by PowerReviews
Shimano BB-91A Press Fit Bottom Bracket
 
3.8

(based on 5 reviews)

Ratings Distribution

  • 5 Stars

     

    (2)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (1)

100%

of respondents would recommend this to a friend.

Pros

  • Lightweight (3)

Cons

    Best Uses

        • Reviewer Profile:
        • Avid cyclist (3)
        • Was this a gift?:
        • No (3)

      Reviewed by 5 customers

      Sort by

      Displaying reviews 1-5

      Back to top

       
      5.0

      Very Smooth

      By Yes

      from HiDesert

      About Me Avid Cyclist

      Verified Buyer

      Pros

      • Highly Compatible
      • Lightweight

      Cons

        Best Uses

        • Stock Upgrade

        Comments about Shimano BB-91A Press Fit Bottom Bracket:

        Really light and easy to install

        • Was this a gift?:
        • No
         
        4.0

        We will see

        By Al

        from SoCal

        About Me Avid Cyclist

        Verified Reviewer

        Pros

        • Extremely Easy To Install
        • Highly Compatible
        • Lightweight

        Cons

          Best Uses

          • Casual Trails
          • Cross Country
          • Single Track
          • Stock Replacement

          Comments about Shimano BB-91A Press Fit Bottom Bracket:

          Can't speak to the durability yet-just installed it today. This is an upgrade from stock. After seeing how this is sealed, its a crank issue,(pre-mature wear)not a bottom bracket issue. Got 11 months out of the stock one.

          • Was this a gift?:
          • No
           
          4.0

          Easy to install, smooth ride

          By Simon

          from Melbourne, Australia

          About Me Avid Cyclist

          Verified Buyer

          Pros

          • Easy to Install
          • Lightweight

          Cons

          • None yet

          Best Uses

          • Casual Trails
          • Cross Country
          • Downhill
          • Free Riding
          • Single Track

          Comments about Shimano BB-91A Press Fit Bottom Bracket:

          I bought this bottom bracket to replace the existing bearings on my Pivot Mach 5. I also purchased the two Park tools (one for removing a bottom bracket, the other for pressing either a bottom bracket or headset bearings)...and with these tools, the BB was easy to install. It provides a nice smooth feel...with no issues yet!

          • Was this a gift?:
          • No
           
          5.0

          Easy to Install

          By Mark the Biker

          from Toronto, Ontario

          Verified Buyer

          Pros

          • Ease of installation

          Cons

          • Not as smooth as BB30

          Best Uses

            Comments about Shimano BB-91A Press Fit Bottom Bracket:

            I like the design for ease of installation. Very similar to installing bb30. However, the smoothness of the bearings is not quite comparable to the bb30 standard. A close 2nd however. The future is in press fit bearings

            (1 of 1 customers found this review helpful)

             
            1.0

            have gone through...

            By Joseph

            from Albuquerque, Nm United States

            Comments about Shimano BB-91A Press Fit Bottom Bracket:

            have gone through two of these bb. first came with the bike. lasted 500 miles when nondrive bearings started seizing up. bought the second. within 200 miles nondrive side also began seizing up. these cannot be serviced because you can't remove the bearings from the cups, doing so will EASILY damage your cups or the outside seals, all of which are made of very fragile plastic. damage any of these and the bb is useless. seals are terrible.will try metal based bb cups. ie fsa, but not sure if compatible with xt cranks. xxf from china. will not go back to these. wish chris king makes them.

            Displaying reviews 1-5

            Back to top

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