... , 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 so on3 ... come first.6. if you are interested in our products , please contact with us . wheel barrow tyre and inner tube 16"*4.00-8 ...