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@Flandria
What is the general consensus on changing sprockets in a rear cassette?
I have a 11-29t Campagnolo Potenza 11sp cassette. With a new chain, the 17 & 19 sprockets skips due to wear. This one and the 21 are the ones that I use most.
Two options now: replacing the entire cassette (+- 125 euro) or replacing the worn sprockets. Campagnolo offers a 17-19-21 replacement (code 11S-791 - price +/- 45 euros).
Is there any disadvantage or no - go for replacement sprockets? What is the general opinion on this?