Should I have a spare derailleur hanger?

Carrying a spare derailleur hanger will help you when you’re at a loose end. You wouldn’t think a derailleur hanger would be such a crucial and essential part on a bike. Not many people know how important they actually are, but they help protect your bike frame from being damaged by snapping.

What does a derailleur hanger do?

About Rear Mech Derailleur Hangers A rear mech hanger is a sacrificial component part of a bicycle, designed to deliberately bend or break in order to limit or prevent damage to the bike frame and the other component parts of its drivetrain, when under duress.

What is a replaceable hanger?

Derailleur hanger is a replaceable bike part that connects the rear derailleur to the bike frame. Rear mech hanger is attached to your bike using bolts, screws or sometimes lock nuts/rings and then bike rear derailleur itself bolts on to the mech hanger. Almost all modern bikes with gears have it.

How do I choose a derailleur hanger?

Choose a bike parts retailer website and use its parts search interface.

Do a web search for “replacement derailleur hanger” or “replacement rear mech hanger” to get results from numerous online hanger retailers.
There’s no clear “best” online retailer for derailleur hangers.

Why did my derailleur hanger break?

This can be the result of a crash, mis-shift or most usually simply being in the wrong gear when the chain and derailleur are under the most load either when the road goes upwards sharply or setting off from a standing/stationary start.

What is the difference between short and long cage derailleurs?

The cage is those 2 idler wheels on the rear derailleur. In a short derailleur, the idler wheels are closer to together while a long derailleur they are further apart. Short derailleurs shift quicker than a long derailleur so it is not preferable to have a long derailleur on a regular double.

When should a derailleur hanger be replaced?

If your derailleur takes a hit during your ride, the derailleur hanger is there to absorb the impact. If the hanger gets damaged or bent, you’ll need to replace it.

How much does a rear derailleur hanger cost?

The typical price of a derailleur hanger varies, but budget for around $30 usd. I always carry a spare, again the design of the hanger is to BREAK if impacted. This saves your bike frame.

How much does a derailleur hanger cost?

derailleur hangers are usually 10-20 bucks depending on the brand. You may be able to have the hanger straightened, but I would put a new one on for the reasons rockcrusher gave. as for the cost of tuning the derailleur, depends on your location.

Are front derailleurs universal?

2) Compatibility With Your Crankset In addition, front derailleurs are made for either 7, 8, 9 or 10-speed chains, but they can often be used interchangeably. If you are using a different chain than your derailleur was made to work with, the degree of adjustment you can expect will be lower than with a matched set.

Should I have a spare derailleur hanger? Carrying a spare derailleur hanger will help you when you’re at a loose end. You wouldn’t think a derailleur hanger would be such a crucial and essential part on a bike. Not many people know how important they actually are, but they help protect your bike frame from…