Bicycle Chain Length Calculator

Javascript bicycle chain length calculator.

Bicycle chain length calculator.

Bike chain length calculator. Chain length calculator does nothing more and nothing less than working out what the length of your chain should be expressed in number of links. Teeth on largest chain ring. This video will take you step by step through sizing a bike chain including determining whe.

This is long enough for the biggest chainrings and for most distances of rear wheel from front chainrings. Round the final result to closest whole inch figure. F number of teeth on largest front chainring. The following links provide some more helpful information.

Links equals cm note. A new bicycle chain usually comes with 116 links. Length of the chain stay. This free javascript bicycle chain length calculator uses the rigorous equation as published on the park tools site and various discussion forums.

R number of teeth on largest rear cog. 52 36 to 53 39 huge difference chain length. A bike has a 42 32 22 front chainring set up. Bicycle mechanics repairs.

It is possible to determine chain length from a simple equation before you even take your new chain out of the box. Use chart above to find decimal measurement. Teeth on largest sprocket. Bicycle mechanics repairs.

That will be the optimal length for most systems. L 2 c f 4 r 4 1 l length your chain length in inches rounded to the nearest inch. Chain length too long. Now add one whole inner and outer link so that you have approximately one extra inch of slack in the chain.

A free bicycle chain length calculator written in javascript by nigel jones. In rare occasions touring frames for example with extremely. When using newer gear wheels with 11 teeth the chain length needs to be extended by 2 links 2 55 cm. You can use cm or inches to input your chainstay length you should always be able to find this out on your bike manufacturer s website inventory or in the manual it came with and then add your outer chainring size and number of teeth.

Replacement chains for bicycles are always longer than you need. Bicycle mechanics repairs. Hover over the cells to highlight and see the gearing information. So for optimal length a new chain is usually shortened from the 116 links that come in the box.

Here is a complete bicycle gear ratio chart of the most commonly used bicycle chainring and cog sizes. Remember you can only join the inner plates to the outer plates of a chain so you can only calculate to whole inch increments. C chain stay length in inches measure to closest 1 8. L chain length in inches.

In future tutorials i plan to discuss the different types of chain connectors and how to use a chain tool to break the chain.