What size bike chain do I Need?

- The standard bike chain is either
**3/32 (mtb)**or**1/8 (cruiser) wide**.. the chain that came with your kit is 3/16 wide. You just need to find one that width I think. they are all three 1/2 between links I believe.

Contents

- 1 How do I know my bike chain size?
- 2 Are bike chains a standard size?
- 3 How do you measure chain size?
- 4 What is the standard bike chain size?
- 5 Can I use a 8 speed chain on a 7 speed bike?
- 6 Are 11 and 12 speed chains the same?
- 7 What is a 1/8 bike chain?
- 8 How do I know what kind of chain I have?
- 9 What’s the difference between 40 and 41 chain?
- 10 What do the numbers on a bike chain mean?

## How do I know my bike chain size?

For measuring the length of bicycle chain size, you need to do the following:

- Count the number of teeth on the biggest front sprocket and largest rear sprocket.
- Next, you need to measure the distance between the crank bolt’s rear axle and midpoint.

## Are bike chains a standard size?

All modern bicycle chains are made to the “one-half inch pitch” standard, meaning from rivet to rivet is nominally 0.5 inches. However, this does not mean all makes and models of chains are interchangeable. There are two basic types of bicycle chains: “one-speed” chains, and derailleur chains.

## How do you measure chain size?

To determine the pitch (chain size), you’ll need to measure the distance between any three consecutive rivets, then divide the result by 2. The rivets are the small, round pegs/studs that hold the chain segments together. Measure from the first to the third, then divide that number in half to get your chain pitch.

## What is the standard bike chain size?

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.

## Can I use a 8 speed chain on a 7 speed bike?

Shimano, SRAM and Campagnolo all use the same chain with 8 speeds. Chain for 7 speeds is a bit wider – 7.3 mm, while a 6 speed one is substantially wider – 7.8 mm. That is why the reverse is not the case and a 7 speed chain and especially a 6 speed one will not work as well on an 8 speed system.

## Are 11 and 12 speed chains the same?

This is accomplished by making the outer links of the chain thinner. Ultimately, single-speed chains are the strongest because they can be very thick since there’s only one cog at the back. The width of a 12-speed chain is roughly 5.25mm whereas that of an 11-speed chain is 5.62mm. That’s a 0.37mm difference.

## What is a 1/8 bike chain?

1/8″ (0.125″, 3.18 mm) chain is used on most single-speed bicycles, and bicycles with internal gearing. 3/32″ (0.094″, 2.30 mm) chain is used on derailer equipped bicycles that have more than 3 cogs at the rear. Even somewhat narrower chain, typically.

## How do I know what kind of chain I have?

How to Tell What Size Chain You Have

- The distance from the center of one pin to the center of the next pin, also known as the “pitch” of the roller chain.
- The diameter and width of the roller.
- Plate thickness, determined by measuring the plates from one flat side to another.

## What’s the difference between 40 and 41 chain?

# 40 will be the beefiest chain in this class. This will help with thicker sprockets since there is more room between the side plates. #41 will look just like the #420 chain, but will stand shorter.

## What do the numbers on a bike chain mean?

Chain size is in inches, the three digit number used to describe the chain size is based on the “rule of eights”. The first digit is for chain pitch. This is the distance between the pins. The second and third digits combine for roller width, with a decimal point inserted between the second and third digits.