105 FC-R7000 asymmetric 110 BCD chainrings with for 2x11 speed drivetrains.For 50/34t pairing. Item Specifications: Tooth Count: 34, Drivetrain Speeds: 11, Ring Position/Type: Inner, Chainring BCD: 110 Asymmetric, Color: Black, Material: Aluminum, keyword search: CR6394, keyword search: Y1WV34010, keyword search: CR8188, keyword search: Y1PH34000,