I have been looking at getting some front sand tires to go with my 20" skat trak extremes I have in the back. I have been going back and forth between the 21" and the 19" fronts. I was thinking since clearance isnt a big deal in the dunes it would be nice to have the XX closer to the ground with the 19" tires. The only thing I worry about is that the 19" tires only come in 6" wide where the 21" tires are 8" wide. Does anyone have experience with this and know the negatives and positives between the two of them? Any insight would be great.