8.5 INCHES X 2 INCHES SCOOTER INNER TUBE REPLACEMENT - These inner tubes are an exact fit for Xiaomi M365 electric scooter. Both front and rear tires of this scooter model are 8.5 inches in diameter and 2 inches thick. These tubes are the same as the 50/75-6.1 and 50-134 tire and inner tube sizes.

COMPATIBLE WITH A WIDE VARIETY OF SCOOTERS, BIKES, AND MORE - Fits most gas and electric scooter models, including ones from Xiaomi, Razor, Bladez, Gotrax, and more! These inner tubes are also compatible with pocket and mini bikes, mini choppers, and mobility scooters.

HIGH-QUALITY BUTYL RUBBER INNER TUBES - Made from premium-quality butyl rubber, these inner tubes provide the strength, flexibility, and durability necessary for the optimum riding performance of scooters, minibikes, and more. Aside from this, these inner tubes have at least 50% enhanced lifespan with their high weather, wear, and tear resistance.

THICK AND EVENLY-MOLDED INNER TUBES FOR MAXIMUM COMFORT - Thick, shock/vibration absorbent, and puncture-resistant, these inner tubes have it all. At 2 mm in thickness, these inner tubes are 0.5 mm thicker than average inner tubes in the market. Not only are they thick, but these inner tubes are also evenly molded, having consistent thickness throughout the tube’s entire length.

SAFETY FIRST WITH HEAVY DUTY INNER TUBES - Safeguard your safety and the safety of your scooter in any weather and season with these HEAVY DUTY inner tubes. With thorn-resistant and self-sealing capabilities, these inner tubes prevent explosive punctures whether you encounter a thorn or pinch your tires flat, these inner tubes will create an instant airtight seal that you can depend on at all times.