The materials must be made so that the wheels are durable, and also they can be comfortably and easily used. Polyurethane is a good example. It is durable and better for tight corners and other riding. The molding is a important part in the process. They usually have a 2 part mold, but sometimes, it is one part. The polyurethane is poured into the mold using a nozzle. And then, they get baked and 240 degrees.
Blog post 3: How its made
on