i'm working on setting up my max 2 highboy so i can easily change to half tracks if i want. the adair shackle tracks seperate easily with just 2 bolts. with the 22'' tires i run and the tracks on i have a bit under 25'' diameter. so i bought 2 10'' rims and 2 sedona mud rebal tires... 25x11-10. all i need to do is move my front axles up 4'' on the frame ( no problem ) to get the clearance between the front tires and tracks. if i want the full tracks, just pull off the 25's and put the 22's back on and put the track sections back together. looking forward to testing the half's in some good mud and snow. will post some pictures when i'm done. johnboy va.