MotuTech 8 1/2 * 2 Inner Tube for Xiaomi M365 Pro 1S Essential Lite MI 3 Scooter Reinforced Double Thickness 8.5 Inches Air chamber Amortization Tire Wheel Front Rear (1)

8.5 inch (8 1/2*2) inner tube, straight valve, thickened, for front and rear wheels; suItable for Xiaomi M365 Pro Pro 2 1S Essential Lite Mi 3 and other scooters with the same wheel size, suitable for Ducati Pro 1; Material: butyl rubber; it has good permeability resistance, inorganic acid resistance, good sealing, extreme temperature resistance (-60℃-180℃); sustainable ; Outer diameter: 210mm; Inner diameter: 155mm; Compared with solid tires or honeycomb tires, it has better shock absorption, gives you a comfortable driving experience and is more affordable; it is the perfect replacement tire; It is twice as thick as the original inner tube, can withstand more pressure and is more durable; Installation suggestions: 1) Please immerse the inner tube in water to check the airtightness before installation, if there are air bubbles, the inner tube is damaged; 2) Please install the valve in the correct direction; 3) Do not use sharp tools to install tires; 4 ) Do not overinflate the inner tube without an envelope;