FSA Gossamer Pro ABS Crankset: Precision-Engineered Road Performance

Crafted for competitive cyclists prioritizing lightweight durability and seamless drivetrain integration, this premium road crankset combines advanced materials with intelligent design. Ideal for endurance riders and performance-focused commuters seeking reliable power transfer across varied terrains.

Core Engineering Highlights
– Cold-Forged AL6061/T6 Crank Arms: Optimized deep scalloping reduces weight by 12% while maintaining torsional rigidity for sprinting and climbing
– BB386EVO Spindle System: Modular 386EVO interface works with 24mm/30mm shell frames (BB30/BB386EVO/BB901) using compatible bottom brackets
– Asymmetric Chainring Mounting (ABS): Offset bolt pattern distributes stress evenly across 110mm BCD for 15% improved lateral stiffness vs symmetrical designs

Performance-Specific Features
✔️ Dual-chainring configuration (50/34T) optimized for 10/11-speed Shimano/SRAM/FSA cassette compatibility
✔️ CNC-machined AL7075 chainrings with pinned construction deliver buttery smooth shifts under load
✔️ 145mm Q-factor balances pedal clearance with stable power delivery at high RPMs

System Compatibility Guide
| Frame Standard | Required Bottom Bracket |
|—————-|————————-|
| BB30 | FSA BB386EVO BB30 |
| PF30 | PF30 Adapter Kit |
| ISCG 05 | Not compatible |

Road-Specific Advantages
– 7% lighter than Shimano Ultegra R8000 while matching stiffness-to-weight ratios
– Compatible with tubeless-ready frames due to narrow spindle profile (30mm diameter)
– Includes M12 threaded spacers for custom chainline adjustments (-2/+2mm range)

Built to endure daily training rides while offering upgrade flexibility through modular BB386EVO components. Perfect upgrade for entry-level race bikes or vintage frames seeking modern groupset integration.

Specifications
– Weight: 845g (170mm double)
– Chainline: 45mm standard / adjustable via spacers
– Pedal interface: Standard 9/16″ thread
– Color: Matte Black anodized finish

Note: Bottom bracket not included – select compatible BB386EVO model during checkout based on your frame’s shell width.