158 Derailleur Hanger / Trek
Derailleur Hanger Number 158.
High quality CNC machined hanger by Wheels Manufacturing.
You can find your hanger number by using the Wheels Manufacturing Finder Tool.
- CNC machined 6061 aluminum
- Black anodized finish
- Attaches to frame with (2) M4x4 Socket Head Screws
- Replaces:
- Trek part #W303978
- Trek part #W295979
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