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Need help finding the correct derailleur hanger for your bike?
Elanus Parts specializes in derailleur hanger identification and compatibility matching for bicycles and e-bikes.
Go to identification request form
To identify the correct hanger, we usually need:
- Bike brand
- Bike model
- Bike year
- Photos of the original derailleur hanger from both sides
Do not guess compatibility. We can help identify the correct replacement before purchase.
How to photograph your derailleur hanger
- Remove the derailleur hanger from the bicycle, if possible.
- Photograph the entire hanger clearly from both sides.
- Place it on a plain, contrasting background.
- Make sure the mounting holes, threads and edges are visible.
- Add a photo of the frame or dropout mounting area when available.
Why are clear photos important? Derailleur hangers that look almost identical may have different mounting points, axle interfaces, threads, offsets, thicknesses or dimensions. Appearance alone is not always enough to confirm compatibility.
Identification request form
For the most accurate identification, remove the derailleur hanger from the bicycle and take clear photos of both sides. A photo of the frame/dropout area where the hanger is installed is also helpful.
Thank you. Your request has been sent to Elanus Parts. We will reply by email.
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Please correct the following:
What information should I provide?
| Information | Importance |
|---|---|
| Email address | Required |
| Photo of the derailleur hanger – side 1 | Required |
| Photo of the derailleur hanger – side 2 | Highly recommended |
| Bicycle brand and model | Recommended |
| Bicycle model year | Recommended |
| Photo of the frame or dropout mounting area | Helpful |
What happens after I submit the form?
Elanus Parts will review the uploaded photos and bicycle information. If the details are sufficient, we will help identify a likely compatible derailleur hanger and reply by email.
If several hangers are visually similar or the available information is incomplete, we may ask for another photo, measurement or frame detail before confirming compatibility.
Derailleur Hanger Identification FAQ
Can you identify a derailleur hanger from a photo?
In many cases, yes. For the best chance of accurate identification, provide clear photos of the removed derailleur hanger from both sides. Bicycle brand, model, model year and a photo of the frame mounting area can help distinguish between similar hangers.
Which derailleur hanger fits my bike?
Compatibility can depend on the bicycle manufacturer, model, model year, frame design, axle system and the exact shape and dimensions of the hanger. The same bicycle model may use different hangers in different production years.
Why should the derailleur hanger be removed before photographing it?
Removing the hanger makes both sides, mounting holes, threads, edges and offsets visible. These details may be hidden when the hanger is still attached to the frame.
Can visually similar derailleur hangers be different?
Yes. Two hangers may look similar while having different mounting points, axle interfaces, thread positions, offsets, thicknesses or dimensions. Visual similarity alone does not confirm compatibility.
What if I do not know the bicycle model year?
Submit the information you have. Include clear photos of the hanger and the frame or dropout area. A frame serial number, original purchase year or other bicycle details may also help.
What should I do if the original hanger is broken?
Photograph all available pieces from both sides and place them together in their original orientation. Also include a clear photo of the frame mounting area.
What should I do if I am unsure?
Do not guess compatibility. Contact Elanus Parts before purchase and provide photos of the original derailleur hanger from both sides together with the bicycle brand, model and year.