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Now check that the length of the chain is correct. Set the chain to the correct length by removing a section of
chain from between the rear derailleur and the lower chain tube with a chain rivet tool as below. Move the chain
until one of the connecting links can be seen between the rear derailleur and the lower chain tube. Open the
link and then work out how much chain to remove.
Add 2 links (with the chain on both the largest sprocket and the largest chainring). This should leave just enough
slack so that the rear derailleur jockey wheels are pointing forward but so that they can still move up a fraction.
Then check that there is not too much slack when using the smallest chain ring and smallest cassette sprocket.
TIP – get an extra pair of hands to help with this. Make sure that any
links you alter with the chain link remover are not stiff on the rivets. If in
doubt, remove fewer links than you think as removing links is easier than
riveting links back in. Use the quick disconnect link to open the chain and
then punch out links and quick connect back together.
When you've finished adjusting the chain length, check at the pulley plate where the chain enters and leaves the
chain tubes. The plastic clips should be adjusted vertically so the chain is running centrally where it enters and
exits the chaintubes. This is also the position where the chain runs at it quietest.
Summary of Contents for B1
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