... YOU REQUIRE PLEASE ASK US FOR HELP! Flat Free TireSemi-pneumatic rubber wheel Flat free tire Benefits:Flat Free - the equipment ... to worry about under or over inflation again! SZ SEMI-PNEUMATIC WHEEL Light weight, flexible strong, good wear resistance; have flat ... , generator sets and other vehicles. The main size of semi-pneumatic rubber wheel, as follow:6"x1.5", 6"x2", 6 ...