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Ah right, didn't think about new chain & cassette - do they also need replacing along with new chainrings? Having said that, I've replaced chain and cassette very recently and it's only been ridden a handful of times since then, so that should be ok?
Also it had a brand new BB fitted this morning! So I'd want to avoid buying a new one...
yak-
Chain and cassette should still be okay in that case, but do not ride the bike any more until you change the chainrings or chainset.
Looks like your chainset is the exage 400 triple, so needs a 121mm BB. Is that what you fitted? If so you must either find another chainset built for a 121mm BB, or swap out out.
Ndeipi
@jtfh
I've done exactly this for a few friends and we invariably ended up buying a cheap Shimano triple chainset on discount somewhere for £20-25. The only catch is that you normally have to change the BB as well to achieve proper chainline. Plus chain and cassette of course, and then you're looking at a £50-60+ parts bill.