Shimano 105 FC-RS520 Crankset - 170mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK Year-2011+ 6 Weight 213 Color Black

6 Weight 213 Color Black Material Aluminum Length 50 Bar Clamp Diameter (mm) 31

} Works with all Formula 74mm post mount brake calipers

10 Internal Headset 1

year 2021+ model ZEB Select (A1) description compression knob kit (non-remote)

Shimano 105 FC-RS520 Crankset - 170mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK Year-2011+ 6 Weight 213 Color BlackShimano 105 FC RS520 Crankset 170mm 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 BB Included No Chainline Hub Compatibility 135 142 Road