Shimano 105 FC-RS520 Crankset - 172.5mm, 12-Speed, 50/34t, 110 Asymmetric BCD, Hollowtech II Spindle Interface, Black

The Shimano 105 FC-RS520 is a 2-piece, 4-arm crank that's compatible with modern disc brake road frames.Product Details: 150mm Q-factor 4-arm crankset for 12-speed drivetrain 44.5mm chainline Compatible with frames of O.L.D. 135mm and 410mm chainstay length Compatible with HG 12-speed chains Specifications: BB Included: No Chainline/Hub Compatibility: 135/142 Road Disc Hubs > 415 mm Chainstay Chainring BCD: 110 Shimano Asymmetric Color: Black Crank Intended Use: Road Crank Length (mm): 172.5 Defined Color: Black Drivetrain Speeds: 12 keyword search: 105 Number of Chainrings: Double Pedal Spindle: 9/16" Rings: 50/34 Spindle Interface Type: Shimano Hollowtech II UPC: 192790172446 MPN: EFCRS520DX04