How many links does my bike chain need?

A new bicycle chain usually comes with 116 links. This is long enough for the biggest chainrings and for most distances of rear wheel from front chainrings. So for optimal length a new chain is usually shortened from the 116 links that come in the box.

How long of a chain do I need for my bike?

Add the multiplied chainstay length, the divided number of teeth for the chainring and rear sprocket, and add 1 (or 2.5 cm). The result is the ideal chain length for your bike. For example, you’d add 32.5, 13, 7 and 1 to get 53.5. The length of the chain should be 53.5 inches or 135.89 cm.

How do you calculate chain link size?

Chain Link Sizes: How to Measure Chain Link Sizes

  1. Pitch is measured by finding the distance from the center of one pin to the center of the next pin in line. …
  2. Determine your side plate height and thickness by measuring both inside and outside the roller chain to ensure that you’re seeing a good average size.

How do you calculate chain length?

Procedure

  1. Calculate C, where C = CD/p.
  2. Calculate A, where A = Z1 + Z2.
  3. Calculate S, where S = Z2 – Z1.
  4. Refer to the adjacent table to find the T value for the calculated S value.
  5. Chain Length in Pitches, CL = 2C + (A/2) + (T/C)
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Are all bike chain links the same size?

Chains can vary in side plate shape, sizing, and height. Differences can cause variations in shifting performance between brands and models. Additionally, chains will vary in the quality of steel used. Better chains that are more durable and longer lasting tend to have harder rivets.

What happens if bike chain is too long?

If the bike chain is too long it will cause problems when changing gears as you shift gears and the derailleur can’t pick up the extra chain length. As a result, the chain may keep slipping off. … Your front and rear derailleur are not properly aligned. The chainring, derailleur, or the chainring are damaged.

How many links should a 8 speed chain have?

Generally 6-7-8 speed chains are the same and 9 speed are thinner, more than 9 speed is a bit specialized. The length isn’t as important because you will usually have to shorten the chain to fit your bike. The standard chain is 114 pins (56 links) but you almost never need to know this ( I had to look it up!). Aha.

How do I know what bike chain to buy?

How do I choose? Bike chain selection is firstly decided based upon the “speed” of the chain; this is because it determines the width of the chain. An 11 speed chain for example is narrower than a 9 speed chain, as the sprockets on the 11 speed cassette have a narrower spacing between them.

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.

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