How To Size A Bike Chain

The type of chain you need will depend on the type of bike you are riding.

How to size a bike chain. An 11 speed cassette requires a different chain to a 9 speed one the chain must be thinner in order to fit into the narrower spaces between the sprockets. Check out more episodes. This is the hypotenuse of a triangle which can add to the chain length. Additionally to require the rigorous equation the bike would need a very short chain stay such as 15 inches or under in length.

There ll be anywhere usually from five cogs to now there s 11 cogs and you need a special chain for each size. Methods to determine chain length method 1. A number of different chain widths are available to suit specific bike types such as bmx or to fit different road and mtb drivetrains e g. So to find out the size of your chain basically it s the speeds of your bicycle.

As the front and rear sprockets differ more in size the chain must diverge more off a line represented by the chain stay. You can compare the original chain to the new chain and match the rivets. 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. So in the rear here you ll see if you count each cog there s one two three four five there s nine cogs here.

This video will walk you through each step of chain replacement including checking removing the old chain sizing and routing the new chain and connecting the chain using a connecting rivet or. 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. To check if it was the correct size shift the bike to the smallest sprockets and check the chain for any slack. This episode will take you through the sizing and installation of a new bicycle chain.