The Rotor 130BCD is the ultimate endurance ring, made from 7075 aluminum,CNC machined and a hard anodized finish means it is made to last. Exclusive OCP system allows independent chainring optimization for every bike and cyclist.

You had your choice of any bike in the shop but you made your selection based on potential upgrade options. The Press Fit 4124 will easily accommodate your handpicked rig with its press fit, 41mm diameter with 24mm axle BB shell.