Shimano SLX FC-M7100 12-Speed Boost Crankset (165mm)

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Shimano SLX FC-M7100 12-Speed Boost Crankset (165mm)
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Price: $104.99


  • 165mm

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The Shimano SLX FC-M7100 crankset offers the simplicity of a 1x drivetrain with the stability and compatibility of Hollowtech II technology.


  • Hollow forged crank maximizes power transfer while limiting weight
  • Shimano's Hollowtech II technology provides the best balance of stiffness, strength, weight and rotating performance
  • Features 52mm chainline designed for Boost spacing
Crank Length:
165mm, 170mm, 175mm   
Chainline/Hub Compatibility: 141/148mm Boost   
Q-Factor: 172mm
Spindle Interface Type: Shimano Hollowtech II
Drivetrain Speeds: 12
BCD: Direct Mount

This product was added to our catalog on August 22, 2019

Verified Owner
Thursday, Oct 3 2019 (about 2 years ago)
Shimano SLX FC-M7100 12-Speed Boost Crankset (165mm)
As a general rule cranks are cranks. As long as they come in the correct length and spacing it's a primarily matter of aesthetics - and to a lesser degree, weight. I'm not really a fan of carbon cranks for mtb use because I tend to bash them into rocks, and adding little rubber boots to the ends is dumb. eeWings would be sick but I can't justify that kind of an outlay when these bad boys will accomplish the same functionality for 1/10th the price. They come in a reasonable variety of lengths, 3 offsets, and get the job done. For ~$100 you can't go wrong.