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 M3x10SH Compatibility: Cannondale - Slate (w/ DT M12x1 TA)--2018 - SuperX Series (w/ DT M12x1 TA)--2018