Why Is My Bike Chain Loose? (TOP 5 Tips)

Your chain might simply be too old or can stretch over time. When this occurs you need to replace it. Consider that your loose chain also may be due to operator error. Exceeding the recommended gear range for the rear derailleur on your bike may lead to a droopy chain when you ride in these gears.

How do you repair a bicycle chain?

  • How to Fix a Bicycle Chain: the Easiest Ways Ever Step 1: Stop Riding to Assess the Damage ​Step 2: Use a hammer or chain breaker tool Step 3: Use Lube to Make Your Fixing Easy Step 4: Push the Pin Slowly from the Broken Part of Your Chain Step 5: Pull the Broken Link off the Pin Step 6: Back the Chain onto the Bicycle

Why does my bike chain get loose?

A motorcycle chain that keeps getting loose is usually caused by the rear axle or chain tensioning bolts not being tight enough. It can also be cause by a new chain not being worn in enough, worn down sprocket teeth, having too tight of a tension, or having the wrong size of chain installed.

How loose is too loose for a bike chain?

On a derailleurless drivetrain, you should be able to lift the chain about 1/2 inch above its resting position at the middle of the chain above the gears. If the chain is too tight, you might feel and hear binding in the drivetrain as you pedal. If it is too loose, the chain could skip or drop, and you can see it sag.

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What causes a dropped chain?

It might be that the chain is worn, has a stiff or bent link, or has become clogged up with dirt. You’re running a chain that’s not compatible with the rest of your drivetrain, in which case you need to change it. There are other reasons why your chain could come off, but we think these are the main ones.

How do you tighten a bike chain?

Raise the quick-release lever located in the middle of your rear wheel. Slide the wheel axle backward in the rear dropouts to increase the tension of the chain. Push the wheel axle forward in the rear dropouts to decrease the chain tension. Lower the quick-release lever after adjusting your chain tension.

Should a bike chain be loose?

The chain should be tight enough that it only allows you to move it up and down about half an inch. If there is no slack in the chain then it is too tight. And if there is too much slack then you need to tighten that chain.

How do you tighten a bike chain with a derailleur?

To increase tension on the chain of a derailleur, slide the wheel axle toward the rear dropouts making only small adjustments as you go along – you don’t want the chain to become too tight. For each adjustment lower the brake lever and check if you have enough chain tension.

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