Full Speed Ahead SL-K 386 EVO Crankset
Best lightweight upgrade for road cyclists seeking stiffness and versatility.
This crankset balances stiffness and weight by combining carbon fiber arms with a robust alloy spine. It offers broad compatibility across various bottom bracket standards, making it a versatile upgrade for road cyclists seeking efficient power transfer.
$499.99
More SL-K options
FSA SL-K Advanced Crankset
$441.00
FSA SL-K Light Crankset
$492.00
FSA SL-K Crankset
$492.00
FSA SL-K Light Crankset
$492.00
FSA SL-K Advanced Crankset
$441.00
Full Speed Ahead SL-K Crankset
$566.00
Full Speed Ahead SL-K Crankset
$441.00
Full Speed Ahead SL-K Crankset
$487.00
Full Speed Ahead SL-K Crankset
$441.00
FSA SL-K Crankset
$441.00
Who it's for
- Competitive racers seeking efficient power delivery and responsive handling
- Cyclists who want a versatile crankset for multiple frame types
- Weight-conscious riders looking to shed grams from their drivetrain
Who should skip it
- Budget-oriented cyclists prioritizing value over marginal performance gains
- Riders who prioritize a pristine aesthetic over long-term utility
- Home mechanics who prefer simple maintenance with basic tools
Performance breakdown
Power Transfer Efficiency
The alloy-reinforced carbon structure minimizes flex during high-wattage sprints.
Shifting Precision
CNC-machined AL-7075 chainrings offer crisp, reliable gear changes under load.
Weight Optimization
Carbon composite construction keeps the rotating mass impressively low for climbing.
Bottom Bracket Versatility
The 30mm spindle design adapts seamlessly to nearly any frame standard.
Drivetrain Compatibility
Limited to 11-speed setups, which may restrict modern 12-speed drivetrain upgrades.
Build Durability
Robust materials ensure long-term resilience against the rigors of daily riding.
Key Specs
Spindle Diameter
30 mm
Material
Unidirectional carbon composite arms with alloy spine
Chainring Material
AL-7075 CNC-machined
Number of Chainrings
2
Chainring Teeth
34/50t
Drivetrain Speed Compatibility
11-speed
Bottom Bracket Compatibility
386 EVO, 68mm English threaded, 68mm PF30, 68mm BB30 (with adapter)
Bottom Bracket Interface Type
386 EVO, BB30, PF30, English Threaded
Know before you buy
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