FSA K-Force Light BB386EVO Carbon Crankset – Lightweight Power & Pro-Level Stiffness

The FSA K-Force Light 2x BB386EVO crankset is engineered for riders who demand elite stiffness, low weight, and flawless power transfer. Featuring hollow carbon fiber crank arms, 100% CNC-machined AL7075 chainrings, and FSA’s adaptable BB386EVO 30mm spindle system, this crank delivers maximum efficiency for racing and high-performance road riding.

Choose your ideal gearing — 50/34 compact, 52/36 semi-compact, or 53/39 standard — and experience a crankset that looks as good as it performs. With a unidirectional carbon finish, hidden chainring bolts, and precision-machined spider interface, the K-Force Light is a premium upgrade for any serious road bike.

Key Features

• Hollow UD Carbon Fiber Arms
  Exceptional stiffness-to-weight ratio, optimized for high-output riders.

• 30mm Forged AL7050 BB386EVO Spindle
  Fits a wide range of modern bottom bracket standards and frame types.

• CNC-Machined AL7075 Chainrings
  Crisp, precise front shifting with long-lasting durability.

• 110 BCD, 4-Bolt Design
  Lightweight, modern configuration for improved stiffness and chainring compatibility.

• Internal Torx T-30 Chainring Bolts
  Clean look with secure fastening and easy maintenance.

• Refined Aesthetics
  UD carbon finish with updated black/silver graphics and concealed hardware.

Specifications

• Crank Type: 2x Road

• Spindle: BB386EVO, 30mm

• Materials: Carbon arms, AL7050 spindle, AL7075 chainrings

• BCD: 110mm, 4-bolt

• Q-Factor: 147mm

• Chainline: 44mm

• Weight: 534–584g (depending on chainring combo)

• Compatibility: Shimano 10/11-speed, SRAM 10/11-speed, FSA 11-speed

• Gearing Options: 50/34, 52/36, 53/39

• Discipline: Road

• Color: Neutral UD carbon with silver accents