105 FC-RS520 Crankset Crank Length (mm):165 This relieves pressure-related symptoms

This relieves pressure-related symptoms

Unparalleled ergonomics engineering refined with pro rider feedback

The cushioned midsole provides long-lasting comfort

giving you an extra 22oz of water storage – the same size as a small water bottle – hidden in your downtube

they have designed and developed the Moto BMX racing handlebar to offer the ultimate combination of lightness

105 FC-RS520 Crankset Crank Length (mm):165 This relieves pressure-related symptomsThe 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