FSA Afterburner Modular Crankset
Best versatile upgrade for mountain bikers seeking modular durability.
A versatile, modular crankset designed for modern 1x drivetrains. Its hollow-forged construction balances durability with weight savings, while the adaptable spider system allows for easy configuration changes to suit different setups.
$168.48
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Who it's for
- Mountain bikers seeking a future-proof setup for evolving drivetrain standards
- Aggressive trail riders who prioritize structural integrity over marginal weight savings
- Custom bike builders needing a crankset that fits multiple frame specifications
Who should skip it
- Home mechanics who prefer using standard tools for routine maintenance
- Weight-conscious cross-country racers looking to minimize every gram
- Novice cyclists who want a simple, plug-and-play component upgrade
Performance breakdown
Power Transfer Efficiency
Hollow-forged arms provide a stiff, responsive feel under heavy pedaling loads.
Weight Optimization
Competitive weight profile balances durability with necessary grams-shaving for trail riding.
Drivetrain Versatility
Modular architecture easily adapts to various chainline and ring configurations.
Chain Retention
Thick-thin tooth profile keeps the chain locked in during aggressive descents.
Build Durability
Chromoly spindle and robust aluminum construction withstand harsh, rocky terrain.
Installation Flexibility
Direct-mount system simplifies swapping rings but requires specific 392EVO bottom brackets.
Key Specs
Crank Arm Length
175 mm
Chainring Teeth
32T
Spindle Type
392EVO
Spindle Diameter
30 mm
Material
AL7050 (arms), AL7075 (chainring), Chromoly (spindle)
Weight
695 g
Drivetrain Compatibility
1x11/12 speed
Chainring Mount Type
Direct Mount
Number of Chainrings
1
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