I do a lot of steel pan gigs in a pan/keyboard/percussionist instrumentation, and our conga player has a couple of thin
Sabian crashes - the "Evolution" line, IIRC, but don't quote me on that. I think the largest one I've seen him use is 14" or 15" (probably 14"), and the smaller ones are 10" or 12". I've never discussed it with him, but judging from his choices, it seems as though small and thin are the way to go, so you don't have to hit as hard with your hands to get the cymbals to "speak." In our trio, it really helps to bridge the gap having a hand drummer instead of a drum set player, having cymbals as a part of the percussionist's setup.