Not too bothered which one so long as it's compatible with Veloce levers.
Excuse me if I'm "teaching you to suck eggs", but there are two versions of 9 speed which are incompatible.
When they introduced 10 speed, 9 speed was also tweaked.
Got a photo of your shifters?
@Scilly.Suffolk started
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Not too bothered which one so long as it's compatible with Veloce levers.