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Specifications

  • MPN: Y1R201000
  • Arm Length: 170mm
  • Spindle Interface: Square Taper JIS (diamond orientation)
  • Compatibility: Shimano STEPS FC-E6000 (E6000 series drive units)
  • Pedal Thread: 9/16 inch
  • Application: City and trekking e-bike
  • Color: Black
  • Sold As: Left crank arm only (no bolt, no dust cap, no right arm)

FAQ

What e-bike system does this fit?

This arm is designed specifically for the Shimano STEPS FC-E6000 crankset used on E6000 series drive units. It is not compatible with Hollowtech II cranks or other spindle interface types.

Does mounting hardware come included?

No. The mounting bolt and dust cap are not included. The right crank arm is also sold separately. Reuse your existing hardware if it is in good condition.

Can I use this on a standard (non-e-bike) Shimano drivetrain?

No. The square taper JIS interface on this arm is specific to the E6000 STEPS drive unit and is not compatible with standard Hollowtech II or other MTB or road crankset interfaces.

Best For

Shimano STEPS E6000 e-bike owners replacing a damaged or worn left crank arm at 170mm to return their city or trekking e-bike drivetrain to factory spec.

Questions About This One?

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You are asking about Shimano STEPS FC-E6000 Left Crank Arm - 170mm | Black

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