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Bicycle Hangers

Prevent costly frame damage and misalignment—upgrade to a strong, replaceable bike hanger today.

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Bike Hangers: The Small Component That Makes a Big Difference

A bike hanger, also known as a derailleur hanger, is a small metal component that connects the rear derailleur to the bike frame. While it may seem insignificant, this part plays a critical role in ensuring smooth shifting, maintaining drivetrain alignment, and protecting your frame from damage.

What Does a Bike Hanger Do?

  • Secures the Rear Derailleur: The hanger acts as a mounting point for the derailleur, allowing it to move and shift gears efficiently.
  • Absorbs Impact: Designed to bend or break in the event of a crash, preventing damage to your frame.
  • Maintains Gear Alignment: A properly aligned hanger ensures smooth, precise gear shifts.
  • Easy to Replace: Most modern bike hangers are removable, making them easy to swap out if damaged.

How to Know If Your Bike Hanger Needs Replacement

A bent or damaged bike hanger can cause shifting problems and excessive drivetrain wear. Here are some signs that indicate it’s time for a replacement:

  • Ghost shifting or poor gear changes
  • Derailleur rubbing against the cassette
  • The hanger appears bent or misaligned
  • Visible cracks or stress marks

How to Choose the Right Bike Hanger

Since bike hangers are frame-specific, you’ll need to find one that matches your bike’s model. Here’s what to consider:

  1. Compatibility: Check your bike manufacturer’s specifications or compare your existing hanger’s shape and mounting points.
  2. Material: Most hangers are made from aluminium, which is lightweight and designed to bend under impact, but steel options provide extra durability.
  3. Precision Machining: A well-machined hanger ensures perfect derailleur alignment for crisp shifting.
  4. Replaceability: Choose a model that is readily available in case of future replacements.

How to Replace a Bike Hanger

  1. Remove the Rear Derailleur – Use a hex key to unscrew the derailleur from the hanger.
  2. Unscrew the Hanger – Most bike hangers are attached with a couple of small bolts.
  3. Install the New Hanger – Align it properly with the frame and tighten the bolts securely.
  4. Reattach the Derailleur – Screw the derailleur back into place and check for smooth movement.
  5. Check Shifting – Shift through all gears to ensure everything runs smoothly.

Investing in a high-quality bike hanger keeps your drivetrain in top condition and prevents costly frame damage. Make sure you always have a spare for quick replacements!

FAQs

1. Why do bike hangers bend or break?
Bike hangers are designed to bend or snap under impact to prevent damage to the derailleur or frame, acting as a fail-safe mechanism.

2. Can I straighten a bent bike hanger?
Yes, but it’s usually best to replace it. Straightening a hanger may weaken it, leading to future shifting problems.

3. Are all bike hangers the same?No, bike hangers are frame-specific, so you need to find one that matches your bike’s model and mounting points.

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