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.
Is a loose bike chain bad?
A loose bike chain can cause poor shifting, chain skipping, chain dropping, or accelerated drivetrain wear. Luckily it is usually an easy fix! To find out whether your chain is too long take a look at it from the side with your eyes being level with the chain.
Why has my bike chain goes loose?
One of the most common reasons is a new chain on an old bike. Older bikes obviously have older and more worn-down components. Placing a new chain on these worn-down parts can cause the chain to jump and slip around as you ride. All of this motion will eventually cause the chain to loosen up.
Why is my chain so loose?
A very old chain will also come loose; it has been worn so smooth by motion that it doesn’t fit properly in the cogs anymore. For such a chain, the only remedy is a replacement. Loose nuts on the rear axle can also cause problems, as they shorten the distance between the pedals and the wheel.
What does a loose chain feel like?
The major symptoms of a loose chain include chain teeth skipping over the sprockets, uneven transmission of power to the wheel leading to jerky wheel movements, chain lash and the chain slapping the swindle arm, and in the final case, chain coming off the sprocket.
How do I know if my chain is too loose?
Check the chain slack while the Chain Monkey is in place. If there is still slack present in the chain, your chain is too loose and you will need to adjust and align your wheel until the slack is removed.
How do you tighten a derailleur chain?
Tighten the cable
Select the highest gear (smallest sprocket) on the shifter. Pull the cable as tight as possible at the derailleur and attach it to the body via the cable anchor. Once you’ve done this, select the third gear on the shifter and gently pedal forwards to shift the chain.
What happens if bike chain is too long?
If the bike chain is too long it will cause problems when changing gears as you shift gears and the derailleur can’t pick up the extra chain length. As a result, the chain may keep slipping off. … Your front and rear derailleur are not properly aligned. The chainring, derailleur, or the chainring are damaged.
What is bike chain slip?
A common reason the chain slips is too much build up on the sprockets. When the chain oil and dirt mix up on the sprocket it leaves a thick black mixture on your sprockets. If you go too long without cleaning your bike it will build up enough that it will cause your chain to slip.
How do you check bike chain tension?
To check the correct chain tension is to see if you are able to move it around half an inch in either direction. If you are happy will how tight the chain is. Then you can tighten the rear axle nuts one by one.