How To Size A Bike Chain Length

How do you find the correct chain length for your bike. It is possible to determine chain length from industrial drive train equations and then cut the chain before installing it on the bike. 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.

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How to size a bicycle chain duration.

How to size a bike chain length. You can compare the original chain to the new chain and match the rivets. 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. Chains cannot be cut to 52 1 4 53 1 8 or even 52 1 2. So for optimal length a new chain is usually shortened from the 116 links that come in the box.

This is long enough for the biggest chainrings and for most distances of rear wheel from front chainrings. To check if it was the correct size shift the bike to the smallest sprockets and check the chain for any slack. The size of these elements is the most important factor for calculating a chain length. This video will take you step by step through sizing a bike chain including determining whether your old chain was correctly sized sizing to an old chain and the largest cog chainring method.

If you don t have the original chain or it s the wrong size use the largest cog and chainring to find the cutting point on the new chain. Methods to determine chain length method 1. Bicycle drive chain length. Saul with explain how to determine the optimal chain length for your bike.

If you need to replace the chain on your bike determine how long the new chain needs to be. A new bicycle chain usually comes with 116 links. For example some derailleur bike chain could only be 51 52 53 inches etc. For a more thorough presentation watch how to size a bicycle chain https youtu be o0yibmdwbaw calvin runs through the two ways to size a chain in this.

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