Shimano Deore XT 1x12-speed Crankset, FC-M8120-1, with or W/O BB-MT800 XT Bottom Bracket

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  • Regular price $349.95 CAD
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Shimano Deore XT 12s BOOST Crankset
FC-M8120-1: 32T / 34T / 36T 
(165mm) / 170mm / 175mm length
With or without BB-MT800 XT Bottom Bracket 
(for 68mm or 73mm BB shells)
Average weight (w/o BB, 175mm): 628/642/660g (30/32/34T) 

Designed specifically for the newer, all around stiffer, 148mm BOOST setups, this XT crankset will happily be the workhorse in any situation you throw at it.  

  • BOOST specific design with wider chainline and wider pedal stance vs. cranks compatible with older (135mm or 142mm) rear hubs.
  • Direct mount chainring makes swapping sizes quick and easy (special tools required).
  • HOLLOWTECH II design reduces weight while maintaining appropriate stiffness for maximum power transfer.
  • DYNAMIC CHAIN ENGAGEMENT+ chainring teeth profiles designed specifically for MTB applications, whether cross-country, enduro or trail.
    • Superior chain retention properties and smoother pedaling feel result in less component wear and a more enjoyable ride.
    • Improved chain retention, even in the toughest terrain conditions. 

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    FC-M8120
    O.L.D. (mm): 148mm BOOST
    32T 1x chainring, 34T 1x chainring or 36T 1x chainring
    (165mm crank arms), 170mm crank arms or 175mm crank arms
    Q-factor: 178mm
    Chainline: 55mm
    Steel teeth, Carbon fibre reinforced polymer (CFRP) body, Aluminum alloy arms

    BB-MT800 XT Bottom Bracket (Optional)
    Threaded

    Compatible with 68/73mm bottom bracket shells
    Sealed bearings

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    Our thoughts:
    If you're a serious XC or trail rider that's building a new, or already have a bike with a BOOST 148mm freehub, this crank should definitely be on your shortlist of options.

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    USER MANUAL

    INSTALLATION

    COMPATIBILITY - Shimano Rear Drivetrain Products

    COMPATIBILITY - Shimano Front Drivetrain Products