Castor wheels are used to move heavy objects or structures (scaffolds or trolleys). They consist of a core (often polyamide or steel) and a tire made of a material such as polyurethane or rubber, which determine its load capacity, durability and resistance.
The technical characteristics of the 1707 MTB series wheels are:
POLYPROPILENE WHEEL CENTRE, GREY THERMOELASTIC RUBBER TREAD, PLAIN BEARING