Struktur 73% Stahl, 17% Polypropylen (PP), 5% Aluminium, 2% Styrol-Ethylen-Butylen-Styrol, 2% Poly-(hexamethylenadipamid) (PA 6.6), 1% Glasfaser Rollen 90% Polypropylen (PP), 10% Polyurethan (PUR)