The Inner Tube size is 8 1/2" x 2" (8.5 inch x 2 inch) 8.5"x2" inch tires/tubes are essentially the same size as 50/75-6.1The straight Valve Stem is about 0.75 inch
Reliable Replacement for your Gas or Electric Scooter.
This
will work with other scooter models, as long as they are the same size
(check the size marking on the side wall or your current tire)
Compatible
with popular brands, such as Xiaomi Mijia M365, M365 Pro, Bird, Razor, Spin, Baby
Stroller, Roadster, Trike, Bladez Rad2Go, Inokim, Z Scooter, Power
Rider... etc.
CST is a very reputable tire company,
specialize in Tires & Tubes for bicycles, motorcycles, all-terrain
vehicles, autos, trucks, forklifts, agricultural & garden/lawn
equipment.