Today on our 2011 Acura MDX, tire size 255 55r18. We'll be doing a test fit on the Glacier V-Trac Cable Snow Tire Chains, part number PW2121V. The V-Trac Cable Snow Tire Chains meet all DOT specifications. The V-Trac design with the included cable tensioner is going to provide a smooth ride for the occasional use. They're low profile. The diagonal pattern is going to offer a steadier, more refined… see more >