How do I make my bike chain shorter?
Shortening the chain In order to shorten the link without a chain tool, you need an alternative tool like a hammer, pliers or thin nail. They will assist you in pushing the pin easily. You can position the chain over a socket, and hit it with a hammer.
Unless using a special half link (as mentioned and linked to by Chris H) to shorten a chain you have to remove the same number of outer and inner plate links. The distance between the joining pins is 0.5 inch so joined chain are always a multiple of whole inches long.
Should I shorten my bike chain?
You either deliberately run the chain long enough to handle your mistakes in shifting (for big/big) or you don’t. You should have better shifting theoretically with a shorter chain, but if you shift big/big by accident you do have a problem.
Shortening the Chain. Decide how many links you need to remove. It’s better to take off too few links at first than to take off too many. It’ll be easier to take off an extra link or 2 than to add several links back on.
Do I need to shorten my bike chain?
To avoid damage, there should be at least one full link of overlap when the chain is put around the big chainring and big sprocket (with the rear derailleur bypassed). Unless the chain was too long to begin with (which is unlikely), you should get a new chain.
Do all bike chains have a master link? Nope, not all chains have master links. If your bicycle has derailleurs, it means it’s unlikely that your bike’s chain will have a master link.
Why does bike chain jump?
Most of the time, a skipping chain is caused by cable stretch. In the first half dozen rides on a new bike your shift cables stretch the most. They can also stretch over time as you ride. Hippley explains, “It takes cable tension to open a derailleur, which shifts your chain between gears.