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  1. #1
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    2011 Giant Reign Crankset/ Press fit BB questions.

    Hello All,

    New here but plan on contributing as more Fruita and Moab rides come to frutition.


    I have a 2011 Giant Reign x2 and I am looking to go 2x9 instead of my current 3x9 setup. Looking at the Shimano SLX m665 with bashguard.

    these cranksets come with a BB that I think i may not use

    The 2011 Reigns come with a Shimano Pressfit BB71-41

    Are there any cranksets that use this size BB so i can do the work myself?

    LBS thinks i may have to purchase a Shimano Pressfit BB91-41.


    Help the new guy out and riding pics will come!

    Thanks!@

  2. #2
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    Reputation: customfab's Avatar
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    I've never seen a Shimano crank set that came with a press fit BB instead of the threaded version. If you buy them through a local shop they could probably swap it out for you since the threaded version is so much more common. The BB91 is an XTR version of the 71 that's in your bike, 100% cross compatible.

  3. #3
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    Hmnn so if i buy this?

    Shimano SLX-M665 crank/BB, 22/36+BG - 175mm

    Then i can keep my shitty pressfit BB71-41a in the bike and put the new BB in the toolbox?

    Might be able to do this at home now.

  4. #4
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    Yep, you can pop the new Shimano crank right in, keep the new BB as a spare.

    You could probably just get new rings and a bash for your current crank if you don't want to shell out for a whole new crank though.
    Florence Nightingale's Stormtrooper

  5. #5
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    Quote Originally Posted by beatercity View Post
    Hmnn so if i buy this?

    Shimano SLX-M665 crank/BB, 22/36+BG - 175mm

    Then i can keep my shitty pressfit BB71-41a in the bike and put the new BB in the toolbox?

    Might be able to do this at home now.
    I wouldn't call an XT bottom bracket shitty but yeah it'll work with any Shimano mountain crank.

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