Well - I got tired of ripping up the yard with those mealy mouse factory mud grips. I swapped them out as follows:
Old - 24x8-12 4pr factory mud grips
New - 26x9-12 6pr ATV radials
Old 24x10-12 4pr Factory mud grips
New - 26x11-12 6pr ATV radials
100% better ride, better handling, and...