Shimano 105 FC-RS520 Crankset - 172.5mm, 12-Speed, 50/34t, 110 Asymmetric BCD, Hollowtech II Spindle Interface, Black Rim Brake Parts Remote shift button communicates with

Remote shift button communicates with the Smart Thru-Axle to trigger a shift via wireless signal using Bluetooth technology

UPC: 630950120482

152860-Q0-L

AI5121 CR1208

155918-Q0-L

Shimano 105 FC-RS520 Crankset - 172.5mm, 12-Speed, 50/34t, 110 Asymmetric BCD, Hollowtech II Spindle Interface, Black Rim Brake Parts Remote shift button communicates withThe 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): 172. 5 Crank Intended Use: Road Drivetrain Speeds: 12 BB Included: No Pedal