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Shimano
SLX FC-M7120 1x Crank Arms

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Why We Like The SLX FC-M7120 1x Crank Arms

In the world of Shimano, trickle-down tech means these SLX FC-M7120 Crank Arms are the beneficiary of years of testing on higher-end drivetrains. Built tough for years of use, these SLX Cranks use the exact same chain retention system and technology as its higher-end cousin, but at a fraction of the cost. We’ll put these on our bikes and forget about them year after year of top-quality drivetrain performance.


Details

  • Durable crank arm loaded with trickle-down tech
  • Cinch chainrings install easily and are hassle-free
  • Upgraded crank arms for the 12sp Shimano family
  • Hollowtech II+ is lightweight and ultra-durable
  • Dynamic Chain Engagement keeps 1x chains on the chainring
  • Item #SHIU1D4
Arm Material
aluminum
Arm Length
165mm, 170mm, 175mm, 180mm
Bolt Circle Diameter
direct mount
BB Type
[recommended pressfit] BB-MT800-PA, [recommended threaded] BB-MT800
Spindle
24mm
Q Factor
178mm
Chainline
55mm
Compatible Components
SLX M7100 Series
Includes
1 lockring, 2 crank spacers, preload cap
Claimed Weight
[30t] 1lb 6.6oz (641g), [32t] 1lb 6.5oz (638g), [34t] 1lb 8oz (653g)