FSA SL-K Crankset
FSA

FSA SL-K Crankset

4.5

Best lightweight upgrade for dedicated road cycling enthusiasts.

A stiff, lightweight carbon crankset designed for riders who need a balance of climbing agility and flat-out speed. The asymmetric bolt pattern enhances power transfer, making it a reliable, high-performance upgrade for road drivetrains.

$159.99

In stock

at

Cycle Limited

Crank Arm Length Mm
Drivetrain Speed Compatibility 10-Speed, 11-Speed
Bottom Bracket Interface Type BB386EVO
Number Of Chainrings 2

Who it's for

  • Performance-oriented cyclists looking to reduce bike weight without sacrificing rigidity
  • Riders who want a future-proof component for different bike builds
  • Competitive racers demanding reliable shifting under heavy pedaling loads

Who should skip it

  • Maintenance-focused riders who prefer widely available and inexpensive replacement parts
  • Budget-conscious cyclists seeking the best value-to-performance ratio
  • Home mechanics who prefer simple, plug-and-play component installations

Performance breakdown

Power Transfer Efficiency

The hollow carbon construction minimizes flex during high-wattage sprints.

Excellent

Weight Optimization

Carbon arms shed significant rotational mass without sacrificing structural integrity.

Excellent

Gearing Versatility

Mid-compact 52/36T setup handles steep climbs and fast flats with ease.

Excellent

Drivetrain Compatibility

Works seamlessly with 10 and 11-speed systems, though lacks 12-speed support.

Good

Installation Flexibility

BB386EVO standard adapts to most frames with the right bottom bracket.

Excellent

Shift Precision

Asymmetric bolt pattern ensures crisp, reliable chainring engagement under load.

Excellent

Key Specs

Brand

FSA

Model

SL-K Light ABS

Material

Hollow carbon arms, AL7050 spindle, AL7075 chainrings

Drivetrain Compatibility

10/11-speed

Spindle Diameter

30mm

Spindle Type

BB386EVO

Chainring Configuration

52/36T

Chainring Mount

ABS (Asymmetric Bolt Pattern)

Number of Chainrings

2

Bottom Bracket Compatibility

BB386EVO

Know before you buy

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FSA SL-K Crankset

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Cycle Limited
Cycle Limited
In stock
$159.99
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