The only negative I have experienced is that one time I did have one jam between the wheels. Totally my fault as I moved to quickly and pushed it up. I now take it easy and make sure I stop and remove the chock after moving off it. No repeats.
WBCCI 10656 Southeastern Camping Unit
Associate European Unit
2006 Safari LS 23 ft
Formerly 1964 Bambi II
"I got a fever and the only prescription is more cowbell"