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How do the adjustment barrels on a gear cable work?

5 min read

Asked by: Jacob Roll

The adjuster works this way: As you UNSCREW the adjuster, it pushes the cable housing farther out, effectively tightening the cable. The cable is held in tension by the spring in the derailer, so this adjustment moves the position of the far end of the cable relative to the derailer.

What does tightening the barrel adjuster do?

The barrel adjuster makes small tension changes to your shift cable by increasing or decreasing the length of the housing, ferrules and mounts between the shifter and the rear derailleur.

How does front derailleur barrel adjuster work?


Quote from video: So the front derailleur does not have a barrel adjuster at the front derailleur it's always at the front. Shifter. So we're gonna use this right here so some of you may have a chain rub in the front.

Which way do you turn a barrel adjuster to tighten the cable?

To do this, turn the barrel adjuster (see below) counter clockwise. If the chain is not shifting well from the largest to the smallest chainring, then the inner wire tension needs to be lowered. To do this, turn the barrel adjuster clockwise.

How does a cable barrel adjuster work?

Barrel adjusters are small cups that have a hole in the bottom, and are screwed into different points around your bike. They are usually located by your brake levers, brake calipers, gear levers, and derailleurs. They work by increasing the amount of distance an inner cable will travel.

How do you reset a barrel adjuster?

Quote from video: And these have little clicks some of them you can feel you can go click click maybe one or two clicks at a time or just give it a turn maybe do a quarter turn or half turn at a time and then test.

Do I need barrel adjusters?

Brake and shifter barrel adjusters are necessary to fine tune caliper engagement and shift indexing. I do not recommend removing them as one day you will wish they were there. Backing a barrel adjuster all the way out will not strip the threads as there is no thread engagement therefore no damage to the threads.

How do I know if my barrel adjuster is broken?

turn the barrel adjuster anti-clockwise if you don’t see it moving out as your turn it, something is broken. if it’s in more than one piece, it’s broken.

Which way is clockwise on a barrel adjuster?

Clockwise “tightens” the barrel adjuster, like a screw, so it threads INTO the shifter and shortens the cable path, loosening the cable. When you install new cables, make sure your barrel adjusters are fully tightened so you have maximum adjustment as your cables lengthen.

How do you adjust a derailleur barrel adjuster?

Quote from video: If you feel like you're up to it you can pedal with one hand make your adjustment with your other hand. Just keep an easy pedal cadence I'm going to continue to turn it inward going down like that.

Which way do you turn a barrel adjuster front derailleur?

Turn the barrel adjuster clockwise (a quarter turn at a time) to move the derailleur cage inward, away from the chain surface. Turn it the counterclockwise direction to move the cage outward.

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 you install a barrel adjuster?

Quote from video: Here I'm going to slide the barrel adjuster on there. And get it up in there and then get the other end of the little part of cable here and slide this on.

Are barrel adjusters universal?

Quote from video: And inline barrel adjuster can sit anywhere in a section of outer cable.

Should you adjust the front or rear derailleur first?

Quote from video: Похожие запросы

How do you adjust the barrel adjuster on a shifter?

Quote from video: Just tighten the barrel back in fully. And then out one or two. Turn. Make sure you're on the furthest outward shift position and the smallest cogs then remove the slack from the cable at the pinch.

How do you adjust a derailleur barrel adjuster?

Quote from video: If you feel like you're up to it you can pedal with one hand make your adjustment with your other hand. Just keep an easy pedal cadence I'm going to continue to turn it inward going down like that.

Is my barrel adjuster broken?

turn the barrel adjuster anti-clockwise if you don’t see it moving out as your turn it, something is broken. if it’s in more than one piece, it’s broken.

How do you install a barrel adjuster?

Quote from video: Here I'm going to slide the barrel adjuster on there. And get it up in there and then get the other end of the little part of cable here and slide this on.

Are barrel adjusters universal?

Quote from video: And inline barrel adjuster can sit anywhere in a section of outer cable.