SHIMANO 105 R7000 Compact Groupset (11 Speed)
Bolt Circle Diameter: 110mm.
Bottom Bracket Standard: HollowTech II.
Chainring Gear Ratio: 50-34T.
Compatible Chain: HG-EV 11-speed / HG-X11.
Drivetrain Speed: 11-Speed.
As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying.