FSA SL-K Modular Crankset
Best versatile carbon upgrade for performance oriented road and gravel riders
This crankset delivers a high-performance upgrade by combining lightweight hollow carbon arms with precision-engineered aluminum chainrings. It excels at balancing stiffness and durability, ensuring efficient power transfer and reliable shifting for demanding riders.
$566.00
at
Papa-wheelies
More SL-K options
Who it's for
- Riders seeking a future-proof component for multiple bike setups
- Weight-conscious cyclists looking for high-end pedaling efficiency
- Mechanically minded owners of diverse road and gravel frames
Who should skip it
- Home mechanics who prefer using universal bicycle tools
- Aesthetic-focused riders who want their gear to look pristine
- Budget-oriented cyclists prioritizing value over marginal weight savings
Performance breakdown
Power Transfer Efficiency
Hollow carbon construction minimizes flex for direct, responsive pedal strokes.
Weight Optimization
Lightweight carbon arms significantly reduce rotational mass for faster acceleration.
Shifting Precision
MEGATORQ technology ensures crisp, reliable gear changes under heavy load.
Component Compatibility
Modular design and BB386EVO spindle offer impressive versatility across bike frames.
Chain Security
Optimized tooth profile keeps the chain planted during aggressive riding.
Durability
Cold-forged aluminum chainrings withstand high-torque output without premature wear.
Key Specs
Material
Hollow carbon arms with UD carbon finish
Chainring Material
Cold forged AL7075 CNC
Spindle
30mm CNC machined AL7050 BB386EVO
Weight
650 grams
Chainring Mount Type
Direct Mount
Number of Chainrings
2
Spindle Diameter
30mm
Bottom Bracket Interface Type
BB386EVO
Drivetrain Speed Compatibility
12-speed
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Ask Metto anything about the FSA SL-K Modular Crankset before you decide.