Wheels-Manufacturing DROPOUT-6 Standard Derailleur Hanger

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. CNC machined 6061 aluminum . Black anodized finish. Attaches to frame with (1) M8 Chainring Bolt. Fastener not Included. Compatible with the following Trek/Gary Fisher/Lemond part numbers Part #W230026