# Question: What Size Bicycle Chain Do I Need Single Speed?

## Are all single speed bike chains the same size?

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.

## How do I know my bike chain size?

Add the multiplied chainstay length, the divided number of teeth for the chainring and rear sprocket, and add 1 (or 2.5 cm). The result is the ideal chain length for your bike. For example, you’d add 32.5, 13, 7 and 1 to get 53.5. The length of the chain should be 53.5 inches or 135.89 cm.

## Can you use any chain on a single-speed?

Because of the width difference of the chain, often sprockets made for a single-speed/internally-geared bike are wider. In other words, it might work, but it might not. Look carefully at the old chain when it’s on the sprockets, and look at how the teeth fit in between the inner plates of the chain.

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## Can I use an 8 speed chain on a single speed bike?

Since single speed chain is by far the cheapest, there is no need to experiment with multi speed chains. However, 6 to 8 speed chains can fit some single speed bicycles – depending on the chainring width.

## What size is standard bicycle chain?

Chains come in 3⁄32 in (2.4 mm), 1⁄8 in (3.2 mm), 5⁄32 in (4.0 mm), or 3⁄16 in (4.8 mm) roller widths, the internal width between the inner plates. 1⁄8 in (3.2 mm) chains are typically used on bikes with a single rear sprocket: those with coaster brakes, hub gears, fixed gears such as track bicycles, or BMX bikes.

## How do I know what speed my bike is?

Multiply the front gear number by the rear gear number to get the number of speeds. For example, if you have two front gears and five back gears, you have a 10-speed bike. If you have one front gear and three back gears, you have a 3-speed bike.

## How do I know what type of chain I need?

However you can act earlier by using a chain measuring device to determine if your chain is beginning to wear – catch it quickly and you only need a new chain. An alternative, but less accurate, method is to measure the length of 12 links, which on a new chain should be exactly 12”.

## 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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## How long does a single speed bike chain last?

Replacing your chain regularly can prolong the life of your drivetrain. Most mechanics agree that you should replace your chain about every 2,000 to 3,000 miles, depending on your riding style. Many Tour De France riders wear out two or even three chains on their primary bike over the course of the three-week race.

## Are single speed chains stronger?

Single speed last longer and cost less. More metal and less (no) flex. SS comes in 1/8 and 3/32. I would contend a SS 3/32 of the same basic construction is stronger than a 3/32 7 speed because it does not need to be built to flex and it is not flexed.

## Can you use a 10 speed chain on a single speed bike?

Any chain will work as long as your cog and chain ring aren’t 1/8 inch.