This replacement derailleur hanger 582 is CNC machined from 6061 aluminum in our Colorado shop to exacting tolerances. It features a black anodized finish, includes one custom M12 bolt, M12x1.0 thru axle thread, and is compatible with Santa Cruz parts #04-15102 and #23-15067 for 12x142 rear spacing frames. This is the direct mount version of Derailleur Hanger 288. For 12x148 rear spacing, use Derailleur Hanger 314.
