FSA

Gossamer Pro AGX+ Modular Crankset 48/32T

Purpose-built for gravel, commuting, and endurance riders, the Shimano CUES FC-U6040-2 Crankset combines lightweight construction with reliable front shifting and all-day pedaling efficiency. Featuring HOLLOWTECH II technology and optimized gearing, it strikes the perfect balance between performance and durability across mixed terrain.

Key Features:

• Chainring Setup: 46/32T for a wider gear range ideal for rolling terrain and climbing
• Speed Compatibility: Designed for 9- and 10-speed drivetrains
• Bolt Circle Diameter (BCD): Asymmetric 110mm for stiffness and chain retention
• Q-Factor: 152mm - supports ergonomic pedaling on gravel and all-road bikes
• Chainline: 47mm - optimized for wider tire clearance and gravel-specific frame
• Crank Construction: Hollow-forged aluminum arms (HOLLOWTECH II) for low weight and high power transfer
• Bottom Bracket Compatibility: For frames with 68mm or 70mm bottom bracket shells
• Recommended BBs: Shimano BB-RS501 or BB-RS500-PB (sold separately)
• Chain Compatibility: Compatible with LINKGLIDE and HyperGlide (HG) 11-speed chains

The 46/32T gearing makes this variant of the FC-U6040-2 ideal for riders who need lower climbing gears while still maintaining enough top-end speed for pavement or fast gravel. Its balanced design offers excellent stiffness and pedaling efficiency, making it a go-to option for gravel explorers, all-road riders, and commuters looking for premium performance in a front double setup.