Pitch inner diameter and outer diameter.
Bicycle chain length measurement.
F number of teeth on largest front chainring.
For example you d add 32 5 13 7 and 1 to get 53 5.
If it s an option you can mark on the wall use tape where the chain reaches.
The size of these elements is the most important factor for calculating a chain length.
A bicycle chain is a roller chain that transfers power from the pedals to the drive wheel of a bicycle.
It is measured by measuring the distance between 3 links then dividing it by two.
Twenty half links in a new chain measure 10 inches.
R number of teeth on largest rear cog.
Measure the length of the chainstay and multiply it by 2.
L chain length in inches.
After all it makes sense to think that a longer chain stay will also need a longer chain.
The chain length must match the distance between crank and rear hub and the sizes of the front chain ring and rear sprocket.
Chain pitch is the distance at which the pins are placed.
Use chart above to find decimal measurement.
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.
To check if it was the correct size shift the bike to the smallest sprockets and check the chain for any slack.
Measure the total length of the new chain from the centre of one end to the centre of the other end.
Methods to determine chain length method 1.
Round the final result to closest whole inch figure.
A bike has a 42 32 22 front chainring set up.
Bicycle driving chain pitch.
The length of the chain should be 53 5 inches or 135 89 cm.
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.
The result is the ideal chain length for your bike.
Each chain has three important dimensions.
C chain stay length in inches measure to closest 1 8.
This post will give overview of bicycle driving chains standard dimensions.
And add 1 or 2 5 cm.