How are bike chains measured?

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.

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. 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.

What is a 3/32 bike 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.

Are 7 and 8 speed chains the same?

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. … Going further narrower, like a 10, or 11 speed chain on an 8 speed cassette can and often does work.

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How do you measure chain width?

It is measured by measuring the distance between 3 links, then dividing it by two.

  1. Chain pitch is shown with green markers, though it is determined by measuring the distance between 3 adjacent pins (blue mark) and dividing it by two.
  2. Inner chain width, marked with blue arrows and lines.
  3. From left to right:

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.

How do you measure the width of a necklace?

Length is measured from top to bottom, including the clasp. Width is always measured at the widest point.

Are 10 and 11-speed chains the same?

The spacing between 11-speed chainring teeth centers is not narrower than on 10-speed chainrings. In some cases, it is even a bit wider on 11-speed. So your system will perform pretty much the same as it does now if you were to replace your 10-speed chainrings with 11-speed ones.

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.

Do SRAM chains work with Shimano?

Shimano and SRAM 11-speed chains are cross-compatible. If you have a Shimano 11-speed drivetrain, a SRAM chain will work fine and vice versa, however manufacturer’s recommend pairing your components for optimal performance.

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Does chain length affect gear ratio?

It doesn’t matter how much longer the chain is. You pull that much more chain with a big gear. If you want three revolutions of the rear wheel, in 48/16 you have to pull 48 links of chain while in 36/12 you only pull 36. The ratio of angular movement was also off, updated.

What is the best single speed gear ratio?

If you’re just starting out on your adventure on a single speed or fixed gear bike, a gear ratio of around 2.7-2.8 will be ideal.

What chain should I use for single speed?

1/8″ chains are used exclusively for single speed setups.