Demon 340 wheel size??

the easyist way for the back is the 4 to 41/2 aluim. wheel adapters. u bolt the adapter to the drum then bolt the wheel to the adapter i ran a set of these for years, had no trouble (ran on the back) but i would not run them on the front.i think i have a set inthe garage...if intersted let me know i will look the up..tim