Shimano XT M8100 175mm Crankset With 30t Chainring – 12 Speed

Description

Shimano XT M8100 Crankset Overview

The Shimano XT M8100 Crankset combines 175mm crank arms with a 30T direct-mount chainring for 1×12-speed mountain bike drivetrains. This exact FC-M8100-1 configuration uses a 52mm chainline and 172mm Q-factor. OE stock – New and unused but sold without original packaging.

Shimano designed the XT crankset to balance low weight, stiffness and reliable trail performance. In addition, the hollow-forged crank construction transfers pedalling force efficiently without adding unnecessary weight.

The 30T chainring uses Shimano’s MTB-specific tooth profile to improve chain engagement and retention. Therefore, it helps keep the chain secure when riding over rough or technical terrain.

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Product Features

• Shimano Deore XT FC-M8100-1 crankset
• 175mm crank arm length
• 30T direct-mount chainring
• 1×12-speed drivetrain design
• 52mm chainline
• 172mm Q-factor
• HOLLOWTECH II construction
• Hollow-forged aluminium crank arms
• Shimano direct-mount chainring system
• MTB-specific tooth profile for improved chain retention
• Compatible with Shimano HG 12-speed chains
• Dark grey XT finish

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Performance

The hollow crank construction keeps the system rigid while reducing unnecessary material. As a result, the crankset transfers power efficiently when climbing, accelerating or riding technical trails.

In addition, the direct-mount chainring design removes the need for a traditional chainring spider. This keeps the layout simple and also makes it easier to change to another compatible Shimano direct-mount chainring.

The 30T chainring gives riders a useful climbing-focused ratio for steep terrain. Meanwhile, Shimano’s tooth profile helps the chain remain engaged when the bike moves through rough sections.

Therefore, the FC-M8100-1 works well for cross-country, trail and all-mountain riders who want dependable XT-level drivetrain performance.

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Specifications

• Brand: Shimano
• Series: Deore XT
• Model: FC-M8100-1
• Crank Length: 175mm
• Chainring: 30T
• Drivetrain: 1×12 speed
• Compatible Chain: Shimano HG 12-speed
• Chainring Mount: Direct mount
• Chainline: 52mm
• Q-Factor: 172mm
• Crank Arm Material: Aluminium
• Crank Arm Finish: Anodized
• Crank Axle Material: Steel
• Crank Technology: HOLLOWTECH II
• Compatible Bottom Bracket Type: Outboard
• Recommended Threaded Bottom Bracket: Shimano BB-MT801
• Recommended Press-Fit Bottom Bracket: Shimano BB-MT800-PA
• Threaded Bottom Bracket Shell Width: 68 / 73mm
• Rear O.L.D. Compatibility: 142 / 148mm thru axle
• Colour: Dark Grey

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Compatibility

• Designed for Shimano 1×12-speed MTB drivetrains
• Compatible with Shimano HG 12-speed chains
• 52mm chainline
• Suitable for compatible 142mm and 148mm rear configurations
• Uses Shimano HOLLOWTECH II-compatible bottom brackets
• Compatible with Shimano direct-mount MTB chainrings

Please check your frame, bottom bracket standard and required chainline before ordering.

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Scope of Delivery

• 1 x Shimano XT FC-M8100-1 175mm crankset
• 1 x Shimano XT 30T direct-mount chainring

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Condition

• Brand new
• New and unused

Check all available cranksets here.
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