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
Product Specifications
Check all technical specifications