Derailleur Hanger 523 – 6061 Aluminum, M12x1.5 Thru Axle

This replacement derailleur hanger 523 is CNC machined from 6061 aluminum in our Colorado shop to exacting tolerances. It features a black anodized finish, attaches with one M12 cap bolt, and is compatible with M12x1.5 thru axle frames.