I bought a 22A for a Brison 3.2 and a 23A for a Brillelli 60, both of which mounted on draggy aerobatic birds (Ultimate and 30% Yak, respectively).
ANYTHING that looks this good has to work................ but boys, you better be ready to carve a HONKIN' BIG SLOT in your spinner!!!!!!!!
Them babies is THICK-hubbed..........