The mains are 4" I used the no bounce Sullivan's. The tailwheel is a 1 1/4 something or other... (sorry don't remember the brand)
Wives are like that. Mine wants the WACO for herself, so I'm going to have to blow another one up to have one for me. That's my excuse, and I'm sticking to it.
Bill, AMA 4720
WACO Brotherhood #1