Features: Aluminum alloy wheel hub and rubber tire.Solid tire no need to inflate. Honeycomb design offers excellent shock absorber and buffering pressure performance. Non-slip texture provides good grip and anti-skid ability. Explosion-proof,shock-absorption and puncture-proof. Convenient to replace your old and damaged tire. Replacement for Xiaomi M635/1S electric scooters. Specification: Color: Red / Yellow / Blue / Green / Black (optional) Type: 1 / 2 (optional) Material: Aluminum alloy + Rubber Tire: 8.5*2" Hub shaft length: 87mm / 98mm Fits: (Type 1) Replacement for M365/1S electric scooters (Type 2) Replacement for Pro/Pro2/Pro3 electric scooters Weight: approx. (Type 1)1231g / (Type 2)1314g Package size: 26*26*12.5cm / 10.3*4.9in Package weight: approx. 1.5kg / 3.3lb Package List: 1* Solid Tire 1* Rear Wheel Hub