1Wheel Hub Feature: The wheel hub is made of aluminum alloy material, accuracy casting, light weight, strong bearing capacity, not easy to deform, and good heat dissipation, having long service life. 2Wheel Hub Matching: The wheel hub is suitable for matching the disc brake disc with a hole pitch of 4cm/1.6in, 5 holes, and a diameter of 110mm/4.3in, plays a role in tire support and load bearing. 3Explosion Proof: The explosion proof solid tire is professionally made of natural rubber, and the design of the inner honeycomb hollow structure greatly improves the cushion flexibility of the wheel tire. 4Shock Absorbing: While ensuring durability, stab proof and explosion proof and other excellent features, tire also has a better shock absorbing effect, which greatly improves the comfort of users. 5Applicable Models: The rear wheel assembly (tire + wheel hub + 110mm disc brake disc) is suitable for the 8.5 inch for Xiaomi M365/1S/LITE two wheeled electric scooter, used for the repair and replacement of the rear wheel of the electric scooter. 6Stretchable Tires: Tires can be stretched, but always regain their shape, and their cushioning restores their shape according to changes in pressure and temperature. With rubber grooves on the surface, it provides excellent grip and is handy in various complex road conditions. Item Type: 8.5 Inch Electric Scooter Rear Wheel AssemblyMaterial: Aluminum Alloy + Rubber + Stainless Steel Color: As Pictures Shown Weight: Approx. 1335g/2.9lb Product Size: Tire Outer Diameter: Approx. 22cm / 8.7in Total Length of Hub Central Axis: Approx. 8.5cm / 3.3in (Middle 6.5cm/2.6in, Both Sides 1cm /0.4in) Maximum Load: Approx. 100kg/220.5lb Application: 8.5 Inch for Xioami M365/1S/LITE Two Wheeled Electric Scooter 1 x Rear Wheel Assembly (Tire + Wheel Hub + Disc Brake Disc) Please allow 13mm error due to manual measurement. Thanks for your understanding.