SRAM RED AXS Crankarm Assembly
Best lightweight upgrade for competitive road cyclists seeking peak performance
This is the ultimate foundation for a high-performance drivetrain, stripping away excess weight with hollow carbon construction while keeping your setup modular. You sacrifice the convenience of an all-in-one package, but gain the freedom to dial in your exact gearing preferences for race-day efficiency.
$440.00
Who it's for
- Competitive racers seeking every possible weight advantage on climbs
- Tech-focused riders wanting a clean, cable-free aesthetic and easy setup
- Powerful sprinters requiring maximum rigidity during high-intensity efforts
Who should skip it
- Budget-conscious cyclists looking for the best value-to-performance ratio
- Home mechanics who prefer universal parts and lower maintenance costs
- Riders frequently traversing gritty roads who prioritize long-term cosmetic durability
Performance breakdown
Weight Optimization
Featherlight design sets the benchmark for elite-level road racing components.
Power Transfer Efficiency
Hollow carbon construction minimizes flex for immediate, direct power delivery.
Drivetrain Versatility
Seamlessly adapts to 1x or 2x setups for any course profile.
Interface Compatibility
The 8-bolt standard offers unmatched flexibility for chainring and power meter swaps.
Durability Standards
Robust DUB spindle platform handles high-wattage efforts with impressive long-term reliability.
Installation Complexity
Requires specific tools and knowledge, making it best for experienced mechanics.
Key Specs
Intended Use
Road
Crank Arm Length
172.5 mm
Spindle Diameter
29 mm
Bottom Bracket Interface
DUB
Material
Carbon Fiber
Crank Construction
Hollow Carbon
Chainring Mount Type
Direct Mount
Drivetrain Compatibility
12-Speed
Includes
Spindle
Power Meter Included
No
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