Series 4 & Series X - Replacement 1.5 inch Rubber Castor Wheels (set of 4)

These polyurethane castor wheels, steel bearings are suitable for weights up to 80kg (distributed across the 4 wheels). The 35mm diameter wheel is suitable to go across bumps approximately 3-5mm high. If you are looking for a really high quality and larger sized wheel with significantly more weight rating then we would recommend these: 100mm Polyurethane Castor Wheels - Heavy Duty