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Questions and answers about sports

Is it possible to move my rear derailleur so that it does not touch the chain?

5 min read

Asked by: Dwight Nelson

Why does my derailleur touch my cassette?

When the spring breaks or wears down, the derailleur becomes “weak”, and the chain pulls it forward too much. In some cases, the derailleur assumes an awkward position causing rubbing against the cassette. If you have a bad derailleur spring, the solution is to replace it or buy a new derailleur.

How do you adjust a derailleur for perfect shifting?

Quote from video: This is how you adjust your derailleur for perfect shifting in under one minute if your derailleur is skipping in multiple places or in the middle of the cassette try adjusting your cable. Tension.

How do I adjust my rear derailleur?

Quote from video: There are many ways to do this but easiest is to turn the barrel adjuster clockwise. We remember this moves the shifting positions collectively outward.

Can you change derailleur without removing chain?

Rear Derailleur Removal

Now you’ll need to remove the chain from the derailleur. Some chains have a special connector pin that need replacing if removed, so if you don’t need to remove the chain for cleaning or replacement you can simply remove the lower jockey wheel and rotate the cage plate to release the chain.

How do I fix my chain rubbing?

Quote from video: First shift to the small cog. Turn the outer limiting screw counterclockwise. That is outward pull about 1/4 of a turn. And try shifting again that is taking care of the. Problem.

How close should your derailleur be to cassette?

Just get the guide pulley as close to the bottom of the cog as possible without it making noise. But as cassette ratios get wider, the recommended gap has ballooned from 1-2mm to 5, 6, 7, or even 8mm depending on the set up. The larger the tooth count difference between the top two cogs, the more space you’ll need.

How do you route a chain through a rear derailleur?

Quote from video: Moving towards the back you're going to pull the chain. Make sure you have enough slack but that it doesn't fall out the front derailleur. You're gonna put it over the smallest cog.

What does the B screw do on a rear derailleur?

The B-gap or B-tension screw is located at the very back of your derailleur. It pushes against a tab on your frame’s derailleur hanger, allowing you to adjust the distance between your rear derailleur’s top pulley and the cassette.

How do you align a derailleur?

Quote from video: Making other adjustments. Such as to the limit screw or barrel adjusters will not be effective. Always check the rail your hanger alignment first at least by siding the hanger. If you're on the trail.

How much does a derailleur adjustment cost?

Derailleurs – (per derailleur) $25 labor for derailleur adjustment and lubrication. If cable and housing needs to be replaced, labor is $25 plus the cost of the cable and housing. If a bent derailleur needs to be aligned, there is an additional $15-20 labor cost.

Should I adjust the front or rear derailleur first?

In a nutshell, adjust the front derailleur first, then the rear. Show activity on this post. If the derailers just need minor tweaking (they are basically in adjustment but are “not quite right”) then you adjust the one that is obviously wrong, check the overall adjustment again, then again adjust what needs adjusting.

How do you adjust a Shimano rear derailleur?

Quote from video: The derailleur down into the small cog. Once we do that we're going to turn the barrel adjuster all the way in so that we have room to adjust it. After adjusting the cable position at the anchor.

How tight should shifting cable be?

Quote from video: The bolt that crimps your cable tight and pull that slack tight with your hand or with a pair of pliers not too tight you don't really need to wrench.

Why is my bike chain catching?

One of the most common reasons for a skipping chain is simply a drivetrain that needs a simple indexing adjustment. This is so common that even many brand new bikes can exhibit these symptoms.

Should bike chain touching front derailleur?

Front Derailleur Performance

The front derailleur should shift the chain between chainrings without throwing the chain off the extreme outer and inner rings. It is possible that the front derailleur will rub the chain slightly even on properly adjusted bikes.

What does a derailleur extender do?

The RoadLink™ derailleur hanger extension is a unique patented device that offsets the position of your road derailleur to make it possible to run a wide-range mountain bike style cassette.

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 many teeth does a cassette have?

In general, cassettes start at 10, 11 or 12 teeth. Again, there are exceptions, with options available with 9-, 13- or 14-tooth smallest sprockets. You may sometimes see brands refer to their cassettes as having a certain range in the form of a percentage.

What cassette is best for climbing?

All other things being equal, the 34T sprocket on the 11-34T cassette is going to give you the easiest gear. If your bike is currently fitted with an 11-28T cassette, switching to an 11-34T cassette will make climbing less of a struggle.

Is 11/32 cassette Good for hills?

For hill climbing and mountainous terrain, we recommend a road cassette such as the 11-32T SRAM Red 22 XG1190 11 Speed Cassette (A2), or the 11-34T Shimano Ultegra R8000 11 Speed Cassette.