Bicycle Chain Length Measurement

After all it makes sense to think that a longer chain stay will also need a longer chain.

Bicycle chain length measurement.

Pitch inner diameter and outer diameter. Size to old chain count links if your old chain was sized correctly it can be used to determine the length of your new chain. L chain length in inches. Measure the length of the chainstay and multiply it by 2.

R number of teeth on largest rear cog. It is measured by measuring the distance between 3 links then dividing it by two. In addition to that you need to consider the number of teeth on the largest chain ring and largest sprocket because the chain will be pulled the tightest in such a. Each chain has three important dimensions.

The size of these elements is the most important factor for calculating a chain length. And add 1 or 2 5 cm. A bike has a 42 32 22 front chainring set up. To check if it was the correct size shift the bike to the smallest sprockets and check the chain for any slack.

For example you d add 32 5 13 7 and 1 to get 53 5. Chain pitch is the distance at which the pins are placed. Round the final result to closest whole inch figure. Bicycle driving chain pitch.

This post will give overview of bicycle driving chains standard dimensions. If it s an option you can mark on the wall use tape where the chain reaches. Methods to determine chain length method 1. Use chart above to find decimal measurement.

Replacement chains for bicycles are always longer than you need. F number of teeth on largest front chainring. This video will take you step by step through sizing a bike chain including determining whe. The chain length must match the distance between crank and rear hub and the sizes of the front chain ring and rear sprocket.

There are a few ways to get the correct chain length on your road bike as dan lloyd will show you in this video. Twenty half links in a new chain measure 10 inches. The result is the ideal chain length for your bike. The length of the chain should be 53 5 inches or 135 89 cm.