Wheels Mfg Derailleur Hanger #558

Derailleur hangers are frame-specific, not universal. You should verify compatibility by comparing your current hanger to the photos on the Wheels Mfg website or by checking your bike manufacturer's specifications to ensure the #558 matches your specific frame model and year.

The hanger is designed as a sacrificial part. Using CNC-machined aluminum allows it to bend or break during an impact, which effectively absorbs the force and prevents that energy from damaging your bike's more expensive frame dropout.

While it is sometimes possible to temporarily straighten a hanger using a dedicated alignment tool, it is generally recommended to replace it. Once aluminum has been bent, its structural integrity is compromised, and it is more likely to fail or cause poor shifting performance in the future.

No, this product includes only the derailleur hanger itself. You will need to reuse the existing mounting screws from your current hanger, so be sure to keep them safe when you remove the old part.

Absolutely. Because derailleur hangers are specific to your frame, they can be difficult to source quickly at a local shop if you break one on the trail or road. Keeping a spare in your gear bag is an inexpensive way to ensure you aren't sidelined by a simple mechanical issue.