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  • Shimano - XT FC-M8000-B1 Boost 1x Crank Arms - Black

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  • Shimano - XT FC-M8000-B1 Boost 1x Crank Arms - Black

Shimano XT FC-M8000-B1 Boost 1x Crank Arms

sale $104.99 $133.9922% Off

Free 2-Day Shipping on Orders Over $50 Order by 12/20*

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    • Black, 170mm
      sale $104.99
    • Black, 175mm
      sale $104.99
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    5 Reviews

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    More everything.

    Shimano’s famous for its commitment to trickle-down tech and, sure enough, there’s plenty top-shelf inspiration to be found in the XT FC-M8000-B1 Boost 1X Crank Arms. Obviously, they’re designed to play nicely with Boost 148 rear axles, with a 3mm offset chainline that keeps your links running smoothly between cassette and chainring. The more expensive XTR’s Hollowtech II construction has also trickled down to XT, letting you save weight and cash, and the new 1x11 platform lets you enjoy so much granny gear that you’ll practically be moving backwards on those puke-inducing climbs.

    • Item #SHI00AX

    Tech Specs

    Arm Material
    aluminum, stainless steel
    Arm Length
    170mm, 175mm, 180mm
    Bolt Circle Diameter
    96mm
    BB Type
    BB-MT800 / BB-MT800-PA
    Recommended Use
    cross-country, downhill, enduro, trail
    Manufacturer Warranty
    2 years

    Tech Specs

    • Reviews
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    Lightweight. Durable.

    • Familiarity: I've put it through the wringer

    Because that's what defines XT, right? This is a great choice for people who are prone to bashing cranks on rocks, but still want something that is good quality and will hold up to said beating.