A light-weight, ultra-durable wheel. It has a very high strength-to-weight ratio and is capable of long service under heavy loads. Red polyurethane is permanently bonded to aluminum core.
Temperature range: -45°F to +180°F.
Hardness: 55(±5) Durometer Shore D scale.
Finish: Aluminum. Zerk Fitting: Zerk grease fitting in hub is standard on 7 and 8 Series wheels.
