Shimano 105 FC-RS520 Crankset - 175mm, 12-Speed, 50/34t, 110 Asymmetric BCD, Hollowtech II Spindle Interface, Black Road & Track Chainrings 125007-Q0-L

125007-Q0-L

X-Range™ gearing gives you more range and a smoother gear progression

CM3280 TR1120

2 x eTap round hole blanks

165960-Q0-L

Shimano 105 FC-RS520 Crankset - 175mm, 12-Speed, 50/34t, 110 Asymmetric BCD, Hollowtech II Spindle Interface, Black Road & Track Chainrings 125007-Q0-LThe 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 Specifics Color: Black Rings: 50 34 Number of Chainrings: Double Crank Length (mm): 175 Crank Intended Use: Road Drivetrain Speeds: 12 BB Included: No Pedal Spindle: 9