1. 8inch wheel 2. the diameter is 203.2mm 3. the rim is iron 4. many kind of ... . We specialize in wheel barrow, hand trolley, platform hand truck, tools, tool cart, rubber wheel, caster, rubber products ... have many kinds of size of solid rubber wheel with different patterns2. This is 11''x2.50 ... wheel is 63.5mm the diameter of rim is 152.4mm3. many colours, like black, red, grey rim. 250-4 wheel ...