The FSA Gossamer Pro Modular AGX crankset is a premium option for riders who prefer the precision and durability of alloy. Its cold-forged aluminum arms are sculpted to deliver maximum stiffness with minimal weight, while the modular BB386 EVO spindle design ensures compatibility with a wide range of frames and bottom bracket standards. Built for gravel and adventure performance, it combines sleek aesthetics with long-lasting reliability.
Cold-forged alloy crank arms for strength and stiffness
CNC-machined 386EVO spindle for precise fit and durability
Modular direct-mount design for easy chainring swaps
1x gravel-specific gearing setup
Chromoly chainring bolts for extra durability
50mm chainline / 154mm Q-factor
High-polished anodized black finish with laser graphics
Compatible with BB386EVO bottom brackets
Specifications & Identifiers
Bottom Bracket Included
No
Bottom Bracket Shell Width (mm)
68, 70, 86.5
Chain Compatibility
10-Speed, 11-Speed
Chainline/Hub Compatibility
135/142 Road Disc Hubs < 415 mm , 135/142 Road Disc Hubs > 415 mm
Chainring BCD
Direct Mount - FSA
Chainring Setup
Road Single
Chainrings Included
Yes
Color
Black
Crank Arm Length
165mm, 170mm, 175mm
Crankset Style
2-Piece
Defined Color
Black
Designed for ebike
No
Frame Interface
386EVO
Intended Use
Cyclocross, Gravel, Road
Number of Chainrings
Chain Retaining Single
Number of Speeds
10-Speed, 11-Speed
Pedal Spindle
9/16"
Rings
44
Spindle Interface Type
386 EVO
Spindle Length (mm)
Integrated Spindle
Black - 165mm UPC
840031077752
Black - 165mm MPN
336-0345082090
Black - 170mm UPC
840031077769
Black - 170mm MPN
336-0345083090
Black - 175mm UPC
840031077776
Black - 175mm MPN
336-0345084090
Tree Fort ID:
333222470756
Have Experience With This?
or
Customer Questions
not logged-in log-in to receive an emailed response