Shimano XT FC-M8100 Crankset
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
at
Competitive Cyclist
More Deore XT options
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.
Weight Optimization
Impressively light for a durable, trail-ready double-ring crankset.
Ergonomic Pedaling
Narrow Q-factor promotes natural, efficient leg alignment during long rides.
Chain Retention
Specialized tooth profile keeps the chain secure over rough, technical terrain.
Maintenance Versatility
Direct-mount interface makes swapping chainrings quick and straightforward for riders.
Drivetrain Integration
Seamlessly engineered to work perfectly within the Shimano 12-speed ecosystem.
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
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