Dimensions: 49 x 23 cm (19.3 x 9″) Width at Bearing: 19.8 cm (7.8″) Maximum Payload: 120 kg (264 lbs) Weight: 2.78 kg (6.1 lbs) Tire: Polyurethane Hub: Polypropylene Ideal & Ship Pressure: 2.5 psi (.17 bar) Pressure Range: Low Pressure 2-4 psi (0.14-0.28 bar) Temperature Range: -15 to 75 C (5-167 F) This model has 25.4 mm (1″) bearing. WheelEEZ® Polyurethane Beach Balloon Wheels are specifically designed to navigate challenging terrains like soft sand, mud, gravel, grass and rock. They are also great on hard surface terrains like streets and sidewalks. Moving heavy, awkward loads is easy with our