This is Wheels Manufacturing Derailleur Hanger 375. All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. Features: CNC machined 6061 aluminum Black anodized finish Attaches to frame with (2) M3x10 Flat head screws For use with M12x1.5 Thru Axle Fastener Included Replaces Giant Part# 380000016 Compatibility: Giant Escape R1, R2, R3, RX - 2018+ Giant Alight - 2018+ Giant Thrive- 2018+ *Note: This hanger is not the same as Dropout-167. There is no ridge that fits into the axle pocket