Wheels Manufacturing Inc. #57 Derailleur Hanger
- CNC machined 6061 aluminum
- Black anodized finish
- Includes (3) M4x8 Flat Head Screws
- Attaches to frame with (3) M4x8 Flat Head Screws
- Fasteners not included
Note: DROPOUT-57 mounts on the OUTSIDE of the frame dropout. DROPOUT-89 is the same shape, but mounts to the INSIDE of the frame dropout.