FSA K-Force Crankset
Top Pick
FSA

FSA K-Force Crankset

4.6

Best lightweight carbon crankset for competitive road cyclists seeking peak performance.

This high-performance crankset prioritizes stiffness and weight savings through an advanced asymmetric design. It delivers responsive power transfer and improved shifting, making it an ideal upgrade for riders seeking a blend of professional-grade efficiency and sleek, aerodynamic aesthetics.

$699.99

Out of stock
Crank Arm Length Mm 172.5
Intended Use Road
Drivetrain Speed Compatibility 10-Speed, 11-Speed
Bottom Bracket Interface Type BB386-EVO

Who it's for

  • Competitive cyclists seeking every gram of weight savings for climbing
  • Performance riders demanding maximum stiffness for efficient power transfer
  • Cyclists needing versatile compatibility across various road and gravel frames

Who should skip it

  • Budget-conscious riders prioritizing value over flagship performance
  • Mountain bikers or gravel riders prone to frequent rock strikes
  • Mechanics wanting a simple, plug-and-play bottom bracket installation

Performance breakdown

Power Transfer Efficiency

Asymmetric arm design ensures every watt translates directly to forward motion.

Excellent

Weight Optimization

Hollow carbon construction keeps the rotating mass impressively low for climbing.

Excellent

Aerodynamic Profile

Hidden bolts and integrated spindle clean up airflow around the drivetrain.

Excellent

Drivetrain Compatibility

Broad support for major 10 and 11-speed systems simplifies component integration.

Excellent

Chainring Durability

CNC-machined aluminum rings withstand high-torque efforts without premature wear.

Excellent

Structural Stiffness

Carbon layup provides a rigid platform for aggressive, high-cadence racing efforts.

Excellent

Key Specs

Weight

584 grams

Material

Carbon Fiber

Crank Construction

Hollow Carbon

Crank Arm Length

172.5 mm

Bolt Circle Diameter

110 mm

Q-Factor

147 mm

Number of Chainrings

2

Bottom Bracket Interface

BB386-EVO

Drivetrain Compatibility

10-Speed, 11-Speed

Intended Use

Road

Know before you buy

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FSA K-Force Crankset

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CycleFast USA
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