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Topic starter
fitted a 34 instead of a 30 chainring. how much longer chain is needed.
Posted : 22/09/2017 9:58 am
A whole link (two halves) for every four extra teeth on the chainring.
Posted : 22/09/2017 10:00 am
Topic starter
cheers mate.
Posted : 22/09/2017 10:27 am
But if your chain was at the lower limit of linknumberage, you will need to put in an extra pair of links for 2 teeth biggerness.
Posted : 22/09/2017 12:08 pm
Or you might not need any extra linkage for a 2 tooth increase.
Posted : 22/09/2017 12:12 pm
I did the exact same swap last week and didn't touch the chain. Shifts fine.
Posted : 22/09/2017 1:20 pm
I went from 32 to 30 and it shifts fine.
Posted : 22/09/2017 5:34 pm
I changed from 30 round to 32 oval without altering the chain. No problems for 6 months so far.
Posted : 22/09/2017 5:36 pm