<b>This item is not hub motor</b><br> This item is just a 8" wheel with pneumatic tyre(with inner tube), it match for our 8" mini scooter brushless hub motor<br>This tire is no gas, you need to inflate the tire when you receive it<br>for more information please feel free to contact me.<br> Wheel Size: 8 inch<br> Wheel Width: 50 mm<br> Tyre Material: Rubber<br>Axle Hole Diameter: 10mm<br> This wheel with bearing but do not include axis.<br><br><br>promotion of shipment：<BR> weight less than 2KG,We will send by epacket.(shipping time about 7-15 working days)<BR> weight more than 2KG,We will send by DHL.(shipping time about 3-7 working days)<BR> (we send the package to our shipper need 2 working days)<BR> we cann't change the shipping time on amazon system, <br> so the system shows maybe need long time but that is wrong.we will send it as soon as possible.<BR> If you have any question,please feel freely to contact me.<BR>