Pneumatic wheel 400-8 size: 16 inch - 400 -8 lug pattern 2PR, 4PR steel rim with solid axle ... colors;Top quality;Competitive price ModelOuter Dia.(mm)Width(mm)Hub length(mm)Hole Dia.(mm) 16"x4.00-839090as ... ,Bearings and bushes with many sizes like 1/2",5/8",3/4",1" and other sizes;5, Angled grease ... straight grease fitting;6,Top quality;7,Competitive price;8,Good service. 400-8 pneumatic wheel