Polyurethane High Load Bearing Wheels are a popular choice in industrial applications because of their quiet operation. The polyurethane serves to smooth the ride by acting as a shock absorber. They are easier to maneuver than rubber wheels because tougher materials produce reduced roll resistance. They are made of tougher materials than rubber casters. Polyurethane High Load Bearing Wheels are generally unbreakable, flexible, resilient, and durable when it comes to skating. Inline skating boots and wheels made of polyurethane are a great choice.