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Questions and answers about sports

Is my derailleur broken?

5 min read

Asked by: Lytle Maertz

How do I know if my derailleur is damaged?

Quote from video: The key is to look at the rear derailleur we can see it's bent slightly inward. And also look at the guide pulley which doesn't seem to line up with the chain or cog above.

Can you ride with a broken derailleur?

A broken derailleur cable can occur without warning, leaving you with two options: Walk home or ride back in the hardest gear. However, there is a third, more desirable, option.

How is a derailleur diagnosed?

Quote from video: All derailleur is wear out at some point check this by pulling laterally on the lower Kage compare this movement with the new derailleur.

How often do derailleurs need to be replaced?

Derailleurs will last almost indefinitely. The jockey wheels will wear out in time (tens of thousands of km) but the rest of the mechanism shouldn’t see significant wear. It could be that the spring will break at some point due to material fatigue, but that is also a relatively easy to replace part on most derailleurs.

How much does it cost to fix a derailleur?

There can be a range of prices for replacement derailleurs, starting around $20 and going all the way up to $700.

How long do bike derailleurs last?

Good quality rear derailleur can last between 3 to 5 years, when unbranded or low-quality ones can last for 2 years, no matter what the durability of the rear derailleur the jockey wheel will wear after time and it can be replaced very cheaply with new ones, on the other hand, front derailleur can last almost

How does a bike derailleur break?

Some common reasons for it breaking are: Hitting an obstacle (e.g. tree branch) Going into the spokes (badly set low limit screw or the derailleur was wobbling enough for some reason to get caught in the spokes) Chain too short.

Why do I keep breaking my derailleur?

If your chain is too long, and you are in the ‘small-small’ combination, it is possible for the derailleur to sort of fold up on itself. Flip your bike over and put it in the smallest gear up front and the smallest gear in the rear and make sure the chain isn’t rubbing on the derailleur.

How do derailleur hangers break?

Derailleur hanger usually breaks or bends as a result of accidentally derailleur hit to surrounding object when riding, in case of crash or just when trying to align the bent gear hanger.

How do I know if I need a new rear derailleur?

If there’s play, get a new one. Also, drip some Tri-Flow or something into all the pivots. If it’s really dirty and sticky, it’ll have a harder time with the shift you describe. If with clean, lubricated pivots the derailleur still won’t move well, you probably need a new one.

Why won’t my rear derailleur shift up?

If derailleur does not succeed in shifting the chain into the next largest ring or hesitates, add cable tension. Once you get to the largest cog, shift back into the smallest rings. If there is any hesitation or the chain will not shift back into the smaller rings, remove cable tension until the shift is successful.

How do I know if my rear derailleur hanger is bent?

Rotate the arm of the alignment tool to the 12 o’clock position (pointing straight up). If your hanger is straight, the gauge arm should sit in the same position relative to the rim. If it’s not straight, this will indicate the direction in which the hanger is bent.

How do you replace a bike derailleur?

Quote from video: So to replace the derailleur it's pretty simple so first one take your chain. Off. So it's easy to get to the derailleur and the railer comes off really easily.

Are all derailleurs the same?

No, bike derailleurs are not universal. A derailleur that works with one bike may not work with another bike based on factors such as the cage length. Check the difference between the smallest and largest cogs and also the chainring size to determine the derailleur compatibility.

How much is it to fix gears on a bike?

Quote from video: Похожие запросы

How does a bike derailleur break?

Some common reasons for it breaking are: Hitting an obstacle (e.g. tree branch) Going into the spokes (badly set low limit screw or the derailleur was wobbling enough for some reason to get caught in the spokes) Chain too short.

How do you fix a derailleur?

Quote from video: Pull the chain out and you're ready to remove the old derailleur. Most railers are fastened on with a hex bolt. So you'll need your allen keys for this most of the time you can reuse your shift cable.

Why do I keep breaking my derailleur?

If your chain is too long, and you are in the ‘small-small’ combination, it is possible for the derailleur to sort of fold up on itself. Flip your bike over and put it in the smallest gear up front and the smallest gear in the rear and make sure the chain isn’t rubbing on the derailleur.

How do you fix a bent derailleur?

Quote from video: It's not always so obvious when it's straight but what you can do. If you really had to is pop an adjustable spanner onto. The hanger like that and from the back of the bike.

Can a bent derailleur be fixed?

How to repair a bent derailleur hanger. You have two options here: try bending the hanger back into alignment, or replace it with a brand new hanger.

What causes derailleur to bend?

A common cause of a misaligned hanger is from the bike falling over to the right side. This pushes the derailleur body inward, bending the hanger. It is often possible to repeatedly re-bend many derailleur hangers. This is because there is very little stress from riding the bike or shifting gears.