Gong from france makes a no strutter, pretty inexpensive as well. a friend has one and is very impressed with them
i have recently gone thru the initial stages of the foiling flowchart and i used my old 2012 rally's,,10m and 12m,, which supposedly are very similiar to the slingshot sst,,,
anyway,, my opinion at this point is i am defintely going away from 3 strut kites, they seem too heavy and slow and i need too much bar pressure to make them turn.
they were ok for a while and I thought I could live with them for a while but as i progress,,, they are losing their appeal.
to the OP: if i were in your shoes and looking for new kites (which i am btw) ,,, a 3 strut kite would not be on the list,,,but a single strut would be