Quick Answer: Can you stretch a bike chain?

Do bicycle chains really stretch? The short answer is no, however they do wear in such a way as to cause their maximum length to increase. Mechanics usually refer to this as chain “stretch.” It is the sign of a worn out chain that should be replaced.

What happens if bike chain is stretched?

Chain wear is commonly referred to as ‘chain stretch’, because the chain’s pitch grows in length as it wears. … This isn’t as easy to measure, but this side to side chain wear will lead to slow and inconsistent shifting long before any pin wear is seen.

What happens if your bike chain is too small?

If the chain is too short, this shift is difficult to make and the derailleur cage is stretched out and almost parallel to the chainstay. If the chain is really short, then you might not even be able to shift into the largest cog.

Can you resize a bike chain?

With a few tools, a bike stand and a little time you can remove extra links, shorten the chain and make your bike rideable once again. Learning how to tighten a bike chain is important. It is a simple process and you don’t really need to pay a third party to do it for you.

FASCINATINGLY:  Frequent question: Can I paint a bike with acrylic paint?

How do you know if your bike chain is stretched?

Another ballpark method for checking chain wear is by measuring it with a ruler. Pick a rivet and line it up at the zero mark. Count 24 more rivets and your last rivet should be at the 12″ mark of your ruler. If it is off by more than 1/16″ your chain is stretched to the point of replacement.

How do I know if my bike chain is too loose?

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. A loose chain will sag close to or below the chainstays as the chain hangs between the rear cogs and chainring. The chain might skip as you pedal, or even drop off the gears.

Can a bike chain be to tight?

The rule of the thumb says that the exact tightness of a chain will only let you move for about half an inch. Now, if the chain is too loose, then you need to tighten it. If you cannot even move the chain, then it is too tight, and it needs to be loosened.

Why is my bike chain stiff?

The thing that causes most stiff links is compressing the sideplates too tightly together, a natural result of using a chain tool that presses in the chain pin under great force to install the chain. … The safe way to free a stiff link is to use a chain tool and push on both ends of the pin causing the stiff link.

FASCINATINGLY:  Do you have to wear a bike helmet in Queensland?

How tight should a road bike chain be?

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 break a chain without a bolt cutter?

If you don’t have bolt cutters or you have a hardened metal chain that bolt cutters won’t cut through, you can use a saw instead. There are a wide variety of saws that will effectively cut through a chain.

Pick a saw to use.

  1. Hacksaw.
  2. Metal grinder, such as an angle grinder.
  3. Reciprocating saw.
  4. Coping saw.