What Size Chain Do I Need For My Bike? (TOP 5 Tips)

A bicycle with a derailleur will decide the chain size you require based on the number of gears on the back hub. The chains are always 3/32″ in diameter. Chains are available in 5/6/7-speed, 8-speed, 9-speed, and 10-speed configurations.
When it comes to bicycle chains, what is the proper length?

  • The exact length of a chain is not important when purchasing one because they all come in a predetermined length. (Typically 114 1/2″ links, although occasionally 120 1/2″ links are used.) In some circumstances, such as tandems and recumbents, you may need to link two chains together in order to have enough length.

Are bike chains a standard size?

All current bicycle chains are manufactured to the “half inch pitch” standard, which means that the distance between each rivet is nominally 0.5 inches. When it comes to bicycle chains, the sprocket teeth are cut to the same one-half inch standard as the chain itself. There are two fundamental types of bicycle chains: “one-speed” chains and derailleur chains. One-speed chains are the most common.

What size chains do bikes use?

Standard 606 (metric) #8, where the 8 represents the distance between two pin centers. The chain in use on modern bicycles has a 12-inch (12.7-mm) pitch, which is defined as the distance between two pin centers from one another. It is ANSI standard #40, where the 4 in “#40” indicates the pitch of the chain in eighths of an inch; and it is standard 606 (metric) #8, where the 8 represents the pitch in sixteenths of an inch.

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How do I know what chain size to get?

The pitch (chain size) is determined by measuring the distance between any three consecutive rivets and dividing the result by two, as shown below. These little, circular pins/studs are used to join the chain segments together, and they are made of brass. Measure the distance between the first and third links, then split that number in half to get the chain pitch.

What happens if bike chain is too long?

You will have difficulty shifting gears if your bike chain is too long. This is because the derailleur will not be able to take up the excess chain length as you shift gears. As a result, it is possible that the chain will continue to slide. Your front and rear derailleurs are not correctly positioned on your bicycle. Damage has occurred to the chainring, derailleur, or chainrings itself.

How long should my chain be?

Following the acquisition of a measurement, it is recommended that you select a necklace size that is at least the second size larger than your neck size. Example: If you have an 18-inch neck, you should generally choose for a chain that is 20 inches or more in length. An 18-inch chain would be uncomfortable to wear.

How do you know what bike chain to buy?

What criteria should I use? The “speed” of the chain is the first factor to consider when selecting a bike chain; this is because the speed of the chain affects the breadth of the chain. It is thinner than a 9 speed chain, for example, since the sprockets on an 11 speed cassette are spaced closer together than those on a 9 speed chain, for example.

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Are 7 and 8 speed chains the same?

A single chain with eight gears is used by all three manufacturers: Shimano, SRAM, and Campagnolo. The chain for a 7-speed bike is somewhat broader – 7.3 mm – whereas the chain for a 6-speed bike is significantly wider – 7.8 mm. Going further narrower, like a 10, or 11 speed chain on an 8 gear cassette may and frequently does work.

What is a 3/32 bike chain?

Derailer-equipped bicycles with more than three cogs at the back end are fitted with 3/32″ (0.094″ 2.30 mm) chain. Those bicycles with nine or more rear sprockets are often fitted with a derailer and utilize a chain that is even narrower, typically. 090″ (or 2.29 mm) between the inner plates.

Will a 12 speed chain work on 11 speed?

12-speed chains may be used with 11-speed cassettes without any problems. HG+ versions, which are primarily designed for downshifting and hence come with special inner plates that don’t mix well with non-Shimano 12-speed components, are the primary exception.

Are 8 and 9 speed chains the same?

The inner width of the 7, 8, and 9 speed chains is the same, however the outside plates of the 9 speed chains are thinner, resulting in a thinner overall chain. As a result, while a 9 speed chain will function well on a 7 or 8 speed drivetrain, it will be a weaker chain that will “stretch” more quickly.

Is 420 chain the same as 40?

Out of these three chains, the #420 chain is the one that we utilize the most. It’s not as broad (from side plate to side plate) as the #40 chain, which helps to keep your driven pulley or frame from slapping against your driven pulley or frame if you’re working in a confined space. In comparison to the #41 chain, #420 will be stronger since the side plates will be higher in height.

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