This replacement derailleur hanger 574 is CNC machined from 6061 aluminum in our Colorado shop to exacting tolerances. It features a black anodized finish, attaches with two M4x14mm flat head screws, M12x1.75 axle threads, and is compatible with Da Bomb DB17-1 frames. Note: shares geometry with Derailleur Hanger 573, which has M12x1.5 axle threads.
