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Derailleur hanger, gear mech hanger, dropout replacement for Trek, Gary Fisher (aka part #303978) bike models:
- Trek Madone 6 Series 2010-2011
- Trek Speed Concept 2010-2011
- Trek Cronus 2011
- Trek Madone 5 series 2011
- Trek Ion 2011-2012
- Trek Cronus CX Pro, 2012
- Trek Cronus CX Ultimate 2012
- Trek Cronus CX Ultimate Frameset 2012
- Trek Ion CX 2012
- Trek Ion CX Pro 2012
- Trek Ion CX Pro Frameset 2012
- Material: Cast aluminium.
- Bolts included.
- Marwi catalog number: GH-112
- AKA mech hanger, gear hanger: #303978
For any questions please contact us or send an email to:
To be sure if this the right part, please send us photos of:
1. Your derailleur hanger from both sides;
2. And if possible bike‘s frame part photos, where dropout was attached.
Also browse pages: Home, FAQ's, Derailleur hangers, Derailleur hangers by bike brand, Small parts, Adapters/Extenders, About us
- Bicycle brand
- garyfisher
trek - Number of fasteners
- 2
- Mounting on frame
- Outer
- Shape of Step
- Curved
- Axle diameter
- 5 mm (Standard QR)
- Material
- CAST aluminum
- Derailleur mount type
- Standard mount
8590966391127
All rear derailleur hangers types for MTB, Mountain, CX, Road and other bikes you can find here.
Find more information about derailleur hangers at frequently asked questions page or if still have questions and need assitance feel free to contact us.
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