Are all bicycle 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?

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.

How do I know my chain size?

Go-kart chain numbers take the first letter from the pitch. And the last 1 or 2 digits from the roller width. For example a 420 chain has a pitch of 4/8-inches and a 520 chain has a pitch of 5/8-inches. To start measuring your chain size you need to start at the sprocket.

Are 6 7 8 speed chains the same?

5, 6, 7 and 8 speed chains

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.

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Can all bike chains be shortened?

They are not; the process to shorten a chain on an MTB is similar to what we have described here. You need to mount the bike, clean the chain and then if you have a chain tool, use it to remove extra links. If you don’t have a chain tool use a small nail and a pair of pliers to get the pins out of the links.

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. ⁄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 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.

How do I know my roller chain size?

Most roller chain has the size stamped right into the side plates. You may see something like “40”, “C2080H” or “10B” stamped in, which the industry number that represents the chain size. Old chains will most likely need to be cleaned in order to see the size.

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What size is 08B chain?

08B Roller Chain dimensions – ISO R606

Chain No. DIN P x W Width W (mm)
08B-1 1/2 X 5/16″ 7.75
08B-2 1/2 X 5/16″ 7.75
08B-3 1/2 X 5/16″ 7.75

What size is 40 chain?

Chain standards

Size Pitch Maximum Roller Diameter
25 0.250 in (6.35 mm) 0.130 in (3.30 mm)
35 0.375 in (9.53 mm) 0.200 in (5.08 mm)
41 0.500 in (12.70 mm) 0.306 in (7.77 mm)
40 0.500 in (12.70 mm) 0.312 in (7.92 mm)

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.

What size chain do I need for a 7 speed bike?

Bike Chain Size Chart

Drivetrain* External Width, in External Width, mm
9 speed 1/4″ – 9/32″ 6.5 – 7.0mm
10 speed 1/4″ – 9/32″ 6.0 – 7.0mm
10 speed narrow 7/32″ 5.88mm
11 speed 7/32″ 5.5 – 5.62mm

Is 8 speed bike enough?

8 speed rear cassette is good enough- Providing you get the range correct for your legs. But that is easier to do with 10 speed- I ride 8 speed(24) and 10speed (20) and have to admit that the 10 speed is easier to find the right cog. Even 7 speed is more than enough.

Replacement Pin or Master Link: New chains will come with either a new pin, or a specialized link called a master link, to connect the two ends of the chain together.

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