The Shimano XT FC-M8100-1 is engineered for modern 1x12-speed drivetrains, delivering exceptional efficiency without compromise.
Featuring a 172 mm Q-factor and 52 mm chainline, this crank ensures optimal power transfer and precise chain tracking across the full cassette range. Weighing in at a competitive figure, the FC-M8100-1 maximises speed and acceleration whilst maintaining the lightweight characteristics essential for trail riding and climbing. The 142/148 mm O.L.D compatibility accommodates both current and previous generation rear hub standards, offering flexibility in your build. Designed specifically for Shimano's latest XT 1x system, this crankset eliminates the complexity of multi-chainring setups whilst preserving the performance you demand. Perfect for riders seeking simplicity, reliability, and responsive drivetrain performance.
Features
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FC-M8100-1 Q-Factor 172mm
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Chain line: 52mm
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O.L.D 142mm / 148mm (Boost)
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Compatibility 1x12-speed with CS-M8100 cassettes 10-45 and 10-51
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Mounting system Direct mount (Lighter and stiffer design & easy exchangeable chainring by direct mount and one key release)
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Chainring SM-CRM85 Available in different gradations (28-30-32-34-36) - Chainring is not included!
Specification
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Use: MTB
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Group: XT M8100
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Model: FC-M8100-1
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Gradation: Chainring is not included!
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Q-Factor: 172mm
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Threaded BB shell width: 68 / 73mm
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Gear rear: 12-speed
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Construction: Hollowtech II
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Compatible Chain: CN-M8100 12-speed
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Crank arms: 4 arm
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O.L.D: 142mm / 148mm (Boost)
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Chain line: 52mm
Crank Arm Length
Material
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Crank arm: Aluminum Anodized
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Crank axle: Steel Plated
Weight
- Approx 608g with chainring
Contents
- 1 x Shimano XT FC-M8100-1 12-Speed Crank without Chainring
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Weights are based off pre-production products at time of publication. Weights may vary in final production.
