Shimano XTR FC-M9125-1
Best high performance upgrade for dedicated cross country mountain bikers.
Built for the rigors of aggressive trail riding, this crankset prioritizes stiffness and weight reduction. It integrates seamlessly with wider rear hub standards, offering a precise chainline for modern drivetrain setups.
$505.65
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Shimano XTR FC-M9120 Crankset
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Shimano XTR FC-9220 Crankset
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Shimano XTR FC-9220
$310.00
Shimano XTR FC-9200
$310.00
Shimano XTR FC-M9100
$565.00
Shimano XTR FC-9220 Crankset
$310.00
Shimano XTR FC-9200 Crankset
$300.74
Shimano XTR FC-9220 Crankset
$310.00
Shimano XTR FC-M9020 Crank Arm
$159.99
Shimano XTR M9100 Crank Arms
$434.99
Shimano XTR M9125-1 Crankarms
$479.99
Shimano XTR M9130
$449.99
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$399.99
Shimano XTR FC-M9130-1 Crankset
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Shimano XTR M9100 Crank Arms
$298.40
Shimano XTR M9120-1 Crank Arms
$434.99
Shimano XTR FC-M9125-1 Crankset
$489.86
Shimano XTR M9100 Crankset
$508.50
Who it's for
- Elite cross-country racers seeking the lightest possible drivetrain components
- Aggressive trail riders demanding reliability on technical descents
- Versatile mountain bikers who frequently adjust gearing for different terrain
Who should skip it
- Budget-conscious cyclists looking for the best value-to-performance ratio
- Owners of older mountain bikes with standard non-Boost frame spacing
- Riders who prioritize a pristine, showroom-quality look over long-term use
Performance breakdown
Power Transfer Efficiency
Stiff construction ensures every watt of rider input reaches the trail.
Weight Optimization
Aluminum engineering sheds grams without sacrificing essential structural integrity.
Drivetrain Compatibility
Seamless integration with modern 11 and 12-speed shifting systems.
Installation Simplicity
Standard Hollowtech II interface makes setup straightforward for most home mechanics.
SuperBoost+ Integration
Precision 55mm chainline perfectly aligns with wider modern rear hub standards.
Durability
XTR-level materials withstand the harsh realities of aggressive enduro riding.
Key Specs
Material
Aluminum
Spindle Diameter
24mm
Chainline
55mm
Drivetrain Compatibility
11/12-speed
Crank Arm Length
170mm
Bottom Bracket Interface
Hollowtech II
Chainring Mount Type
Direct Mount
Intended Use
Mountain Biking
Boost Compatible
Yes (SuperBoost+)
Know before you buy
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