All Wheels Manufacturing replacement derailleur hangers are produced in our Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Attaches to frame with (1) special M5 cap head screw - Fastener Not Included - For use with M12x1.5 Thru Axles - Shimano Direct Mount Rear Derailleur - Replaces Scott Part #264483