Thorn Resistant Tube - 700x35-43 (27x1-3/8) Presta 48mm, Sunlite &hellip; 1 Thorn Resistant Inner Tube in it's own box 700x35-43 (27x1-3/8) 48mm PRESTA Valve, Threaded Non-Removable Core Replacement inner tube for a mountain, hybrid, comfort, cruiser or other bike with the same tire size. 7 times the thickness of a regular inner tube