Splitting and rejoining a chain

Every time you split and rejoin your chain, you risk making it weaker, so keep splitting to a minimum.

For example, if you’re fitting a new rear derailleur, undo the bolts that hold on the jockey wheels, thread the chain around the jockey wheels, and reassemble them with the chain inside the derailleur, rather than splitting the chain. Make sure you tighten both jockey wheel bolts securely – the top one, particularly, is prone to rattling loose. For the front derailleur, remove the bolt at the back of the cage, slide the chain into the cage and refit the bolt. If you do have to split the chain, you’ll need a chain tool. This is designed to support two adjacent chain plates while you push out the pin between them. It is important to do this carefully, as they may create a weak point and break later if you…

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Bike Maintenance Tips, Tricks & Techniques (Digital) - 1 Issue, Bike Maintenance Tips, Tricks & Techniques 3rd Edition

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