... quality and best price. 1. our company is the final manufacturer of many kinds of tyre , tube , pneumatic wheel , solid wheel , PU wheel , wheel barrow ... , hand truck , hand trolley .2. other size : 6*2 , 2.50-4 , 4.10/3.50-4 , 3.50-5 , 4.00-6 ... , 5.00-6, 3.00-8 , 3.50-8, 4.00-8 and ...