Brett 82% Hartholz, 10% Wasserbasis, 8% Kieselerde Achsen 75% Aluminium, 22% Stahl, 3% Polyurethan (PUR) Rollen 80% Polyurethan (PUR), 20% Polypropylen (PP) Kugellager 100% Eisen Schrauben 99% Alumin