Shimano SLX 12-speed Crankset, FC-M7100-1, with or W/O BB-MT800 XT Bottom Bracket

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  • Regular price $165.95

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The Shimano SLX FC-M7100 1x12 speed crankset is designed specifically for Shimano's newest 1x12 MTB drivetrains. It's all new, lightweight design features a direct mountĀ chainring and comes in a variety of size options.

  • Direct mount system utilizes a spline and single nut to secure chainring to crank arm.
  • HOLLOWTECH IIĀ design reduces weight while maintaining appropriate stiffness for maximum power transfer.
  • DYNAMIC CHAIN ENGAGEMENT+Ā chainring teeth profiles designed specifically forĀ MTB applications, whether cross-country, enduro or trail.
  • Superior chain retention properties and smoother pedalling feel result in less component wear and a more enjoyable ride.
  • Improved chain retention, even in the toughest terrain conditions.Ā 
  • 2-piece design:
    • saves weight
    • increases stiffness and power transfer while limiting weight

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Specifications:

O.L.D. (mm): 142, 148
30T 1x chainring,Ā 32T 1x chainring or 34T 1x chainring
165mm crank arms, 170mm crank arms or 175mm crank arms
Q-factor: 172mm
Chainline: 52mm
P.C.D.: N/A (Direct mount)
Average weight (w/o BB, 175mm): 634/631/646g (30/32/34T)

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Deore XT BB-MT800Ā Threaded
Compatible with 68/73mm bottom bracket shells,Ā Sealed bearings
or
Deore XT BB-MT800-P Press-Fit
Compatible with 89.5/92mmĀ bottom bracket shells,Ā Sealed bearings

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Our thoughts:
Definitely not a crank option to be overlooked by trail riders and racers alike.

Keep in mind that your mileage may vary pairing this with a 135mm O.L.D. (i.e. a quick release skewer) rear hub. Officially, Shimano says this is compatible ONLY with 142mm and 148mm rear ends. It'llĀ probably work fine with a 135mm freehub, it just might be a tiny bit noisier in some gears than one might expect... from the newest SLX drivetrain.

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