PU-Foam Wheel Model: 3.00-4 Good design of patterns;All kinds of bearings,rims and colors; Top quality;Competitive ... 00-42607075-8116/18/20/25 1,Good design of tread pattern like smooth pattern,ribbed pattern,knobby pattern, ... 2,You can choose the weight and the colour of the pu part;2,Plastic rim and steel rim ... sizes like 1/2",5/8",3/4",1" and other sizes;4, Angled grease fitting and straight grease ...