Editorial Review 20991 Features: -Product Type:Parts & Accessories -Quanitity:Single. Dimensions: -Overall Height - Top to Bottom:2 -Overall Width - Side to Side:4 -Overall Depth - Front to Back:4 -Overall Product Weight:0.5
Features 1) Replacement Tube for 8.5" Outside Diameter Tire 2) 4 ply rubber 3) Fix flats without having to buy a new tire. 4) See Tire Side Wall for Tire Load Capacity 5) Maximum inflation is 30 PSI. Inflate with manual pump only. Not for highway use.