105 FC-RS520 Crankset

The Shimano 105 FC-RS520 is a 2-piece, 4-arm crank that's compatible with modern disc brake road frames.

• 4-arm crankset for 12-speed drivetrain
• Compatible with frames of O.L.D. 135mm and 410mm chainstay length
• 44.5mm chainline
• 150mm Q-factor
• Compatible with HG 12-speed chains