How To Size A Bike Chain Without Old Chain

It s always handy to keep a chain tool on you out on the trail.
How to size a bike chain without old chain. There are a couple methods to do this depending on whether your chain has a master link or not. If you buy inexpensive bmx chain from a department store be aware that this chain is usually not long enough to fit vintage full size bikes. Evans cycles takes you through the simple process of removing a bike chain. It should stay in place without you needing to hold it.
If you d find the measurement without handling a chain use a mathematical equation. 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. 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. Before you begin shift your chain to the smallest chainring and smallest cog.
If your replacement bike chain is too long for your bike you ll need to adjust it first for safe riding. Facing the bike from the drive side push the pin into the chain to hold it together. You can compare the original chain to the new chain and match the rivets. How to replace your chain mtb maintenance.
Chains will also stretch over time but do not shorten the chain to address this issue. Stretching is a sign of wear and once your chain exceeds the recommended maximum on a chain stretch gauge it needs a full replacement. You need to replace your chain when the old one gets worn out or if it fails on you. 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.
Left 1 2 inch pitch chain with equal length links. In this video how to remove a bike chain using a chain tool splitting a chain with a quick link and disassembling a. To remove the chain from the bike you need to disconnect the chain which is also called breaking the chain.