FSA SL-K Crankset
Best modular upgrade for performance oriented road and gravel cyclists.
This modular crankset offers a versatile solution for riders looking to bridge the gap between road and gravel performance. Its adaptable spindle design ensures compatibility with a wide range of bottom bracket standards, while the carbon construction keeps weight low without sacrificing stiffness.
$441.00
at
Pro Bike Supply
More SL-K options
Who it's for
- Multi-discipline cyclists seeking a single crankset for various riding styles
- Performance-oriented riders looking to reduce bike weight without sacrificing rigidity
- Bike builders wanting a future-proof component that fits most modern frames
Who should skip it
- Home mechanics who prefer using standard tools for routine bike maintenance
- Budget-conscious cyclists looking for the best value-to-performance ratio
- Competitive racers prioritizing the absolute lowest weight possible for climbing
Performance breakdown
Power Transfer Efficiency
The stiff carbon construction ensures minimal energy loss during hard efforts.
Weight Optimization
Hollow carbon arms keep the rotating mass impressively low for climbing.
System Compatibility
Modular design adapts seamlessly to a wide range of frame standards.
Durability
Forged aluminum spindle withstands the rigors of gravel and rough terrain.
Installation Versatility
Direct mount architecture simplifies chainring swaps for different riding conditions.
Gearing Range
Double chainring setup provides reliable ratios for both road and gravel.
Key Specs
Material
Hollow carbon fiber arms, Forged AL7050 spindle
Weight
670 grams
Crank Arm Length
175 mm
Bolt Circle Diameter
90 mm
Chainring Mount Type
Direct mount outer, 90 BCD inner
Number of Chainrings
2
Spindle Diameter
30 mm
Intended Use
Gravel, Road
Drivetrain Speed Compatibility
11-speed
Bottom Bracket Interface Type
386 EVO
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