Specification:homeshine wheelbarrow wheel 1)pneumatic and solid wheel 2)palstic and steel rim 3)rubber esispastic and ... 16inch : 16''x4.00-8, 16''x4.50-8, 16''x6.50-8, 16''x4.80-8, 16''x7.50-8,12)18inch : 18'' ... x8.50-8,13)20inch : ... 20''x2.125'',14)26inch : 26''x1.75'', 26''x1 3/8'' wheelbarrow Wheel