General description Faithfull Spare Wheel for Stair Climber Sack Truck (FAITRUCKSCW) is designed to provide reliable support and mobility for your stair climber sack truck, ensuring ease of transport for heavy loads. Technical specifications Overall Size: 152 x 44.5 mm Tread Width: 44.5 mm Hub Length: 72 mm Bore Size: 16 mm Load Capacity: 90 kg Bore Type: Ball Bearing