... weight: 600g+/-10g 2. Holes: slight angle 3.pressure:160psi/9bar 4.high rubber content 20% 5.28 spokes bicycle wheel ... tyre1. Rim weight: 600g+/-10g 2. Holes: slight ... in manufacturing and exporting all kinds of wheel barrow, hand trolley, platform hand truck, ... tool carts, tools, wooden dolly/moving dolly, rubber wheel ,spoke, rim, tire , bearing , rack, bracket ...