I just use 2 5 gallon buckets and this thing:
https://www.amazon.com/gp/product/B009OEY1H6/ref=ppx_yo_dt_b_asin_title_o03_s01?ie=UTF8&psc=1
Bought it well before my SA and haven't had a need to change any tires, but I used it with my FZ-07 to switch tires prior to going to the track and they were well balanced at 100+ mph.