Shimano 105 FC-RS520 Crankset - 175mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK Weight-142 Color Silver Links (links) 114

Color Silver Links (links) 114 Half Link Chain No Chain Connection Type Pressed Pin Defined Color Silver

The rebound range has been shifted downward for more rebound damping to accommodate the larger spring rates needed for more modern bikes

Includes Stans No Tubes 29mm rim tape (installed)

37 BB/Frame Interface English BB Shell Width (mm) 68 Weight 246 Spindle Interface Type Square Taper JIS Spindle Length 108 Defined Color Black

Shimano 105 FC-RS520 Crankset - 175mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK Weight-142 Color Silver Links (links) 114Shimano 105 FC RS520 Crankset 175mm 12 Speed 50 34t 110 Asymmetric BCD Hollowtech II Spindle Interface Black. The Shimano 105 FC RS520 is a 2 piece 4 arm crank thats 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 TECH SPECS Color Black Rings 50 34 Number of Chainrings Double