Product Description: 1.Electric scooter pneumatic tires are universal for front and rear wheels, can completely replace the tires of Xiaomi 4 Pro electric scooter. 2.Compared with solid tires, pneumatic tires have good cushioning performance and can be driven on most road surfaces, providing you with a comfortable driving experience. However, it should be noted that any tire can be punctured by sharp objects. 3.Our pneumatic tires are made of rubber (usually used in the manufacture of automobile and aircraft tires, with good sealing, pressure resistance, environmental protection and durability). It can completely replace the old or broken tires of Xiaomi m365 / Pro motorcycle. 4.We designed the explosion-proof air chamber. When the airtight layer is perforated, an airtight layer immediately forms around the casing (nails, screws, etc.), preventing the air chamber from rupturing and causing personal injury to the driver. 5. The weight of the pneumatic tire is about 100 grams. The surface of the inflatable inner tube is coated with talcum powder, thus avoiding overheating of the tire and adhesion between the inner tube and the outer tube, and prolonging the service life of the inner tube. Color: Black Material: rubber Package Contents: 4 x Inner Tire 4 x Outer Tire Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.