12- to 24-Inch

Smart Sam goes well on any terrain and even on the road it rolls effortlessly. It will roll over just about anything in the Double Defense version.

The Schwalbe Durano Performance Line Tire is a true mile eater. This popular option sports a few outstanding qualities: extremely high mileage construction, dual compound for best grip - even training on wet winter roads. It has has a proven RaceGuard protection belt for extra security out on the road.