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Squircle
How many teeth are usually on the front for a 3-speed brompton,does this vary?
I inherited a 50t crankarm and am thinking of swapping (it has 44t currently which is just a bit too spinny) — I assume I’m going to have to get a new chain? would any 3/32" chain do?
If I then moved to a 46/48 — would I need a new chain again?
I’m not entirely sure what I need so I want to have some flexibility.