... producing pneumatic wheel, with plastic or iron rim, ball/roller bearing, hub and hole according to customer's need. We are producing pneumatic wheel, with plastic or ... iron rim, ball/roller bearing, hub and hole according to customer's ... .00-4.4.10/3.50-4, 3.50-5, 3.50-6, 3.00-8, 3.25/3 ... 4.00-6, 4.80/4.00-8, 5.00-6 6.00-6, 6.50-8 etc