How To Know If Your Bike Chain Is Too Loose. If it is too tight then it might create some adverse effects on the other components of your bike. This lets you adjust the rear wheel and ensure that its tight enough for the chain to stretch correctly.
It should be tight enough that it only allows you to move it up and down about one inch. If there is no tension on the chain in the little ring little cog combination. Making the chain too short then lengthening it is a time-waster.
Then push on the end of the derailleur cage pushing forward to see how much it will move forward.
A chain on a multi-gear bike might also. If you go for quick movements this will break the chain of your bike. It should be tight enough that it only allows you to move it up and down about one inch. Remove two links one inch at a time until there is.
