FSA SL-K Crankset
Best lightweight upgrade for dedicated road cyclists seeking performance.
This crankset balances stiffness and weight, making it an ideal upgrade for road cyclists seeking efficient power transfer. The hollow carbon construction and precision-machined chainrings ensure reliable performance during sprints and long climbs alike.
$384.78
at
Backcountry
More SL-K options
Who it's for
- Competitive cyclists seeking lightweight performance without sacrificing pedaling efficiency
- Riders who want a future-proof component for various frame types
- Road racers demanding crisp and dependable front derailleur performance
Who should skip it
- Home mechanics who prefer universal parts and easy maintenance
- Aesthetic-conscious riders who want their gear to look new longer
- Budget-focused enthusiasts looking for the best value-to-performance ratio
Performance breakdown
Power Transfer Efficiency
Internal alloy spine ensures minimal flex during high-wattage sprint efforts.
Weight Optimization
Hollow carbon construction keeps rotational mass impressively low for climbing.
Shifting Precision
CNC-machined chainrings deliver crisp, reliable gear changes under heavy load.
Frame Compatibility
The 386EVO interface adapts seamlessly to almost any modern road frame.
Pedaling Ergonomics
Road-tuned Q-factor promotes a natural, efficient stance for long rides.
Structural Durability
Reinforced carbon layup balances race-day lightness with long-term structural integrity.
Key Specs
Arm Material
Hollow unidirectional carbon, alloy spine
Arm Lengths
165mm, 170mm, 172.5mm, 175mm
Chainring Sizes
50/34t, 52/36t, 53/39t
Bolt Circle Diameter
110mm
Number of Chainrings
2
Bottom Bracket Interface Type
386EVO
Spindle Diameter
30mm
Q Factor
147mm
Chainline
44mm
Weight
600g
Know before you buy
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Ask Metto anything about the FSA SL-K Crankset before you decide.