The no chains on the front is due to clearance issues when you turn, the leading and trailing edges of the tires get really close to the frame. You can do it just be careful when you turn and I wouldn't run too fast with em on.
"But it does me no injury for my neighbour to say there are twenty gods, or no god. It neither picks my pocket nor breaks my leg." - Thomas Jefferson, Notes on the State of Virginia, 1782
Arguing with a truck driver is like wrestling with a pig in mud, eventually you realize the pig enjoys it.