Carbon-Ti X-CarboRing X-AXS 2x 110×4 Chainrings. All Sizes!
They use a structural carbon fiber body with CNC machined AL7075-T6 aluminum teeth for stiffness and wear resistance. They pair in matched sets like 50/37T, 48/35T and 46/33T for optimal shifting. Carbon-Ti X-CarboRing X-AXS 2x 110×4 Chainrings.