1、Wheel Hub: Using aluminum alloy material precise casting, strong bearing capacity, not easy to deform, and good heat dissipation. Suitable for matching disc brake discs with hole pitch of 4cm/1.6in and 5 holes and diameter of 110/120mm. Wheel hub plays the role of tire support and load bearing. 2、Solid Tire: Natural rubber, special hollow structure design on both sides greatly improves the cushion flexibility of the tire, with rubber grooves on the surface, which can provide excellent grip, and can ride on various complex road conditions. 3、Stretching Recovery: Tire can stretch, but it will always recover its shape, and its cushioning can recover its shape according to pressure and temperature changes. 4、High Performance: While ensuring durability, stab proof and explosion proof and other excellent features, it also has better shock absorbing effect, which greatly improves the user's comfort. 5、Applicable Model: Rear wheel assembly is suitable for Xiaomi M365 1S LITE 8.5 inch two wheeled electric scooter, used for repair and replacement of the rear wheel of the electric scooter. Item Type: Rear Wheel Assembly Color: As Pictures Shown Tire Size: 8.5x2 Tire Valve: Straight Valve Maximum Load: 100kg/220.5lb Weight: Approx.1403g/49.5oz Material: Aluminum Alloy + Rubber + Stainless Steel Size: Outer Diameter: Approx. 22cm/8.7in, the Total Length of the Hub Center Shaft: Approx. 8.5cm/3.3in (Middle: Approx. 6.5cm/2.6in, Both Sides: Approx. 1cm/0.4in) 1 x Rear Wheel Assembly (Tyre + Wheel Hub)