SAND TYRE SIZE PR Tread Depth (mm) Standard Rim New Inflated Sizes Maximum Load Pressure Section Width Overall Diameter 50KM/H 10KM/H 65/50 KM/H 10KM/H 14.00-20 18 10 10.00 375 1265 3750 6500 425 550 16.00-20 18 13 10.00W 430 1390 4375 5000 325 400 9.00-16 8 14.5 6.0F 235 860 1080 1024 310 390