FSA Gossamer Pro Road Gravel Bike Crankset 50/34T 170mm BB386EVO 11 12 Speed
 

Upgrade your ride with uncompromising stiffness and reliable performance.

The FSA Gossamer Pro is the ultimate crankset for riders who demand high-end features without the premium price tag.

Featuring cold-forged AL6061/T6 aluminum crank arms and a robust 30mm BB386EVO spindle, this crankset delivers exceptional power transfer and durability.

Its asymmetric 4-arm spider design optimizes chainring stiffness, ensuring crisp and precise shifting under load.

Whether you are tackling steep climbs or sprinting on the flats, the Gossamer Pro's 50/34T compact gearing provides the perfect balance of speed and climbing efficiency.

Key Features:

  • Maximum Power Transfer: Cold-forged AL6061/T6 aluminum crank arms paired with a forged AL7050 30mm spindle for an incredible stiffness-to-weight ratio.

  • Precision Shifting: CNC machined AL7075 chainrings with advanced tooth profiles guarantee smooth, reliable, and fast shifting.

  • Asymmetric Design: 4-arm ABS (Asymmetric Bolt Spacing) spider maximizes stiffness where it matters most.

  • Wide Compatibility: Fully compatible with Shimano and SRAM 10, 11, and 12-speed drivetrain systems.

  • Versatile Fit: The BB386EVO standard fits a wide variety of bottom bracket shells with the appropriate adapters (Bottom Bracket not included).

Detailed Specifications:

  • Brand: FSA (Full Speed Ahead)

  • Model: Gossamer Pro BB386EVO

  • Gearing: 50/34T (Compact)

  • Crank Arm Length: 170mm 

  • Spindle Type: BB386EVO (30mm diameter)

  • BCD (Bolt Circle Diameter): Asymmetric 120/90mm

  • Material: AL6061/T6 Arms / AL7050 Spindle / AL7075 Chainrings

  • Speed Compatibility: 10 / 11 / 12-Speed (Shimano / SRAM compatible)

  • Q-Factor: 145mm

  • Weight: Approx. 815g

  • Condition: 100% Brand New in Original Packaging

What’s in the Box?

  • 1 x FSA Gossamer Pro Crankset (Right and Left Arms)

  • Pre-installed 50/34T Chainrings

  • Installation Manual

  • Note: Bottom Bracket (BB) is NOT included.

 
 
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