This replacement derailleur hanger 573 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, M12x1.5 thru axle thread pitch, and is compatible with Bombtrack BT-DH-023 and KHS Hanger #3236 frames. Note: shares geometry with Derailleur Hanger 574, which has M12x1.75 axle threads.
