Marathon Industries 20992 #ad - Marathon 4.80/4.00-8" Replacement Inner Tube #ad - 4. 80/4. 00-8 inch high quality rubber replacement inner tube with straight valve stem Turf rider. Straight Valve Stem. Fix flats without having to buy a new tire. Inflate with manual pump only. See tire sidewall for Tire Load Capacity. High quality rubber. Replacement tube for 15-16" Outside Diameter Tire on 8" Diameter Wheel.
Not for highway use. 16 x 650-8. Maximum inflation is 30 PSI.