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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

REVIEW SNAPSHOT®

by PowerReviews
Shimano BB-91A Press Fit Bottom Bracket
 
3.5

(based on 4 reviews)

Ratings Distribution

  • 5 Stars

     

    (1)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (1)

100%

of respondents would recommend this to a friend.

Reviewed by 4 customers

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Displaying reviews 1-4

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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 1-4

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