Shimano XT FC-M8100 Crankset
Top Pick
Shimano
Shimano

Shimano XT FC-M8100 Crankset

4.6

Best high performance upgrade for dedicated trail and cross country riders.

A dedicated double-ring setup for those who prioritize gear range and cadence control over the simplicity of a single ring. It delivers the classic stiffness and weight savings of high-end hollow-forged construction while offering the flexibility to swap rings easily.

$177.33

In stock

at

Competitive Cyclist

Crank Arm Length Mm 175
Intended Use Mountain
Drivetrain Speed Compatibility 12-Speed
11-Speed
12-Speed
Bottom Bracket Interface Type Hollowtech II
Hollowtech II
Threaded, Pressfit
Number Of Chainrings 2

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Who it's for

  • Performance-oriented mountain bikers seeking a balance of weight and strength
  • Versatile riders who frequently adjust their gearing for specific terrain
  • Aggressive trail riders needing components that survive rock strikes and grit

Who should skip it

  • Detail-oriented owners who want their bike to look pristine long-term
  • Home mechanics who prefer using standard tools for routine maintenance
  • Weight-conscious racers looking to shave every possible gram from their build

Performance breakdown

Power Transfer Efficiency

Hollow-forged construction delivers exceptional stiffness for immediate, responsive acceleration.

Excellent

Weight Optimization

Impressively light for a durable, trail-ready double-ring crankset.

Excellent

Ergonomic Pedaling

Narrow Q-factor promotes natural, efficient leg alignment during long rides.

Excellent

Chain Retention

Specialized tooth profile keeps the chain secure over rough, technical terrain.

Excellent

Maintenance Versatility

Direct-mount interface makes swapping chainrings quick and straightforward for riders.

Excellent

Drivetrain Integration

Seamlessly engineered to work perfectly within the Shimano 12-speed ecosystem.

Excellent

Key Specs

Arm Material

Cold-forged aluminum

Arm Length

165mm, 170mm, 175mm

Chainring Sizes

36/26t

Rings

2x direct mount

BB Type

Shimano BB-MT800-PA (Pressfit), Shimano BB-MT800 (Threaded)

Spindle Diameter

24mm

Q Factor

172mm

Chainline

48.8mm

Weight

654g

Drivetrain Compatibility

Shimano XT 12-speed

Know before you buy

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Ask Metto anything about the Shimano XT FC-M8100 Crankset before you decide.

Shimano XT FC-M8100 Crankset

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Competitive Cyclist
Competitive Cyclist
In stock
$177.33
Buy
Bicycle Warehouse
Bicycle Warehouse
In stock
$280.00
Buy