Wheel with standard solid rubber tyres, with pressed steel rim, reinforced designWheels: Tyre/running tread: Made of standard solid rubber. Color: black, Rim/wheel centre: Pressed steel rim with tubular steel hub, bolted, zinc-plated, blue,-passivated, Cr6-free. Color: blue passivated, Shore: 80° Shore AChemical resistance to many aggressive substances, except oils. Operating temperature: -25° C to +80° C. At ambient temperatures above +60° C the load capacity is reduced. Maintenance-free under standard conditions.