Frequent question: How do I choose a bike chain?

When selecting a chain, the first consideration is the number of rear sprockets. The rear cog sets have been made with 5, 6, 7, 8, 9, 10, 11, or 12 sprockets. As the number of cogs on the rear hub increases, the spacing between cogs tends to be reduced.

What size chain does a bike use?

The chain in use on modern bicycles has a 1⁄2 inch (12.7 mm) pitch, which is the distance from one pin center to another, ANSI standard #40, where the 4 in “#40” indicates the pitch of the chain in eighths of an inch; and is standard 606 (metric) #8, where the 8 indicates the pitch in sixteenths of an inch.

What size bike chain do I need single speed?

1/8″ chains are used exclusively for single speed setups. There is some confusion in these numbers because the actual width of a 1/8″ sprocket is typically 1/8″(3.175 mm) and the gap between the inner side plates of the chain must be slightly wider to fit over the teeth.

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Are all 9 speed chains the same?

Chain width is about 6.7 mm.

Front chainrings are less sensitive to the thickness of chain used. Otherwise, all the 9 speed chains will work well, regardless of the manufacturer: Campagnolo, SRAM and Shimano.

The 11 speed Shimano comes with 116 links.

How often should I change my bike chain?

To avoid this accelerated wear of your cassette and chainrings, a general rule of thumb is to replace your bike’s chain every 2,000 miles. Mind you, this is just a starting point.

What type of chain is on a bicycle?

There are two basic types of bicycle chains: “one-speed” chains, and derailleur chains.

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.

What is a 3 32 chain?

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 . 090″ or 2.29 mm between the inner plates, is used for derailer-equipped bicycles with 9 or more sprockets at the rear.

How do I know what size chain I have?

To measure the chain size, if you have just the sprocket, use calipers to measure between the teeth. Measure from center to center of where the chain roller would set between the teeth that will give you the pitch. Once you know the pitch you can determine what chain size you would need.

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Are 9 and 10 speed chains compatible?

Shimano drivetrains can use any Shimano- or SRAM-compatible 9-speed chain, and SRAM 9-speed drivetrains can even use 10-speed chains.

Are 10 speed and 11 speed chains the same?

Not only are they not the same, but the while everyone’s 10 speed chains are compatible, the SRAM 11 speed MTB chain is different than SRAM 11 speed road chains. Shimano 11 speed MTB cassettes can fit on 8/9/10 speed hubs.

Are 8 and 9 speed chains the same?

7, 8, and 9 speed chains have the same inner width, but 9 speed chains have thinner outer plates for a thinner overall chain. So while a 9 speed chain works fine on a 7 or 8 speed drivetrain, it will be a weaker chain that tends to “stretch” faster.

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

You should also see two slight bends at each jockey wheel of the rear derailleur. 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.

What happens if bike chain is too long?

A chain that’s too long (loose) may cause dropped chains and/or inconsistent shifting — front and back shifting. A chain that’s too short (tight) can cause even bigger problems. … BUT, things can go really bad … if it does shift and rips the derailleur off, damages the chain or bends gear teeth.

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