10 inch inner tube (10" Innertube) 10x2 (sometimes casually called 60/70-6.5 because of the associated tire code) with straight valve stem. Sometimes called 2.75/2.50-10. Direct replacement for SHOK Scooters Proton kick scooter (used for the 10x2.5 / 60/70-6.5 tires) as well as many other brands and models with 10 inch tires such as the Segway Ninebot Max G30, 365 Pro, Xiaomi MI3 Lite, and many more.