ROUSANT pneumatic wheel ypr028 1.size:16"*4.00-8 2.bore:12-20mm 3.wheel material: nature rubber 4.max ... -20mmmax load150kgmax pressure1000bearing iron sheet/plastic steelsize of wheel: 8"*2.50-4, 260*85, 3.00-4, 3.50-4 ... ", 8"*1.75", 8"*2", 8"*2.2", 9"*3", 10"*2.5", 12"*2", 13"*3", 14"*4", 16"*4", 16"*4.00-8, 24"*13 ...