# Often asked: What Size Chain For Bicycle?

## What size chain do I need for my bike?

If your bike is equipped with the derailleur, you need a 3/32″ or 11/128″ chain. If you have a single-speed or internally geared bike, you need either 1/8″ or 3/32″. You should get the correct size, but if it is not possible, you can get the 1/8″ because it has limited compatibility with the 3/32″ sprocket.

## How do you work out the length of chain between two sprockets?

Begin by counting the number of teeth on the largest front sprocket and largest rear. These numbers are often printed right on the sprockets and cogs. Next, measure the distance between the middle of the crank bolt to the rear axle. This is also the chain stay length.

## Is my bike chain too short?

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. Before you remove the chain, make sure it’s on the small chainring and smallest cog.

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## What is a chain stay?

What is the chainstay? The chainstay or “stays” = The pair of frame tubes that joins the bottom bracket shell to the rear axle holders (the slots the back wheel goes in). This means that the chain stays connect the bottom bracket (BB) to the center of the back wheel.

## What is a 35 pitch chain?

Because 35 pitch chain has a larger pitch ( 9.525mm ), less links occupy a given diameter of sprocket. That means a 35 sprocket with the same number of teeth as a 219 pitch sprocket will be larger in diameter. This increases the amount of stress on each tooth and provides a marginally reduced sprocket lifespan.

## Will a #40 chain fit a 35 sprocket?

No. A #40 chain is 1/2″ between the pins and 5/16″ inside width. A #35 is 3/8″ between the pins and 3/16″ inside width. There is no way it will work.

## What is a 35 roller chain?

#35 roller chain is the 2nd size in the ANSI B29. 1 roller chain sizes lineup. It utilizes a small form-factor for tight applications and is manufactured out of high-strength mild carbon steel for shock load and fatigue resistance.

## How tight should my MTB chain be?

How tight should a bike chain be is regularly asked by mountain bikers? 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.

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## Are 10 and 11 speed chains the same?

Since 10 and 11 speed chains are almost the same width, as well as cassette teeth, 10 speed chain can be used in stead of 11 speed one, without it jamming between the sprockets. However, this will still not work perfectly and will cause premature sprocket wear, so better to avoid it.

## Are bike chains universal?

All modern bicycle chains are made to the “one-half inch pitch” standard, meaning from rivet to rivet is nominally 0.5 inches. The sprocket teeth are cut for this same one-half inch standard to accept bicycle chains. However, this does not mean all makes and models of chains are interchangeable.