Derailleur Hanger 591 – 6061 Aluminum, Commencal W13RHRSUPFR

This replacement derailleur hanger 591 is CNC machined from 6061 aluminum in our Colorado shop to exacting tolerances. It features a black anodized finish, M12x1.0 thru axle, custom M17 nut, and is compatible with Commencal W13RHRSUPFR frames.