SRAM XX1 Eagle DUB Crank Arm Assembly
Best lightweight upgrade for dedicated cross country mountain bikers.
Built for riders who demand maximum power transfer and minimal weight. This carbon crank assembly offers a stiff, responsive feel on the trail while maintaining the durability required for aggressive riding.
$449.99
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Who it's for
- Competitive cross-country racers seeking maximum pedaling efficiency
- Weight-conscious riders building a premium, high-performance trail bike
- Mechanically minded cyclists wanting a simplified and durable drivetrain setup
Who should skip it
- Budget-focused mountain bikers looking for the best value per dollar
- Riders who already own a collection of standard 3-bolt chainrings
- Aggressive technical riders frequently navigating extremely rocky and punishing terrain
Performance breakdown
Power Transfer Efficiency
Carbon layup minimizes flex for immediate, direct energy delivery to drivetrain.
Weight Optimization
Featherweight construction significantly reduces rotational mass for faster acceleration.
System Compatibility
DUB spindle standard integrates effortlessly with nearly all modern mountain frames.
Structural Durability
Resilient carbon architecture withstands aggressive trail impacts and heavy torque loads.
Installation Complexity
Requires specific tools and separate components, demanding a more involved setup.
Customization Potential
Eight-bolt interface allows for versatile chainring and power meter configuration options.
Key Specs
Material
Carbon Fiber
Crank Arm Length
170 mm
Spindle Interface
DUB
Chainring Mount Type
8-Bolt
Drivetrain Compatibility
12-Speed
Intended Use
Mountain
Number of Chainrings
0
Bottom Bracket Included
No
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