Originally Posted by
sysrq
Can't use 11-32T due to incompatible spacing with the 42/45T half-step gearing.
Then you will have to mix your own cogs. All of my cassettes of 9 and 10 speeds are mixed from 2 or 3 different groups. It is probably easier to mix a 10 or 11 speed cassette, since there are more variations available. Or you can get a custom Miche 10 or 11 speed cassette, but 10 only goes up to 30T and 11 goes up to 34T. I assume you could try taking the 34T from 11 speed, and put it on a 10 speed mix, but you have to work out the correct spacing due to the different offset on the last position cog.
https://thecycleclinic.co.uk/product...r-shimano-sram
https://www.miche.it/en/prodotti/str...mato-10sh.html
https://www.miche.it/en/prodotti/strada/cassette-pignoni/light-primato-11sh.html
https://www.miche.it/pub/media/productattach/t/a/tabella_compatibilit__primato.pdf