Proper bicycle chain maintenance will allow you to keep your bike in tip-top condition for riding. Learning how to take care of your chain can save you time and energy.
A bicycle chain is known for failing at the worst time. This problem of a jumpy or jerky chain can be removed entirely, though, if you simply do some chain maintenance on it regularly. This means that you check your chain at least two times per month or after you ride it about 10 hours if you ride quite a bit. You also want to be sure to do a chain check if you have been riding in bad weather.
You should replace your chain if it is rusted, tight, worn out, or you have ridden more than 1000 miles on it. A new chain with 24 links should measure 12 inches and if it is too long even by 1/16 of an inch, then you want to replace it so that it does not damage the chain ring or sprocket. If you are replacing the chain rings or sprocket, then you need to go ahead and replace the chain so that you do not damage the new chain rings and sprocket.
The metal parts of the chain do not really stretch, but the chain does get longer because of the sleeves and pins wear and tear. Lubricating the chain...