http://www.stormcam.org/air-tube/

Why an air tube is used in a motorcar or a motor cycle insted of a solid rubber tyre?
to reduce the mass of the vehicle.
Guru
32ft. of air on Wego Kite Tube
http://www.stormcam.org/air-tube/

Why an air tube is used in a motorcar or a motor cycle insted of a solid rubber tyre?
to reduce the mass of the vehicle.
Guru
32ft. of air on Wego Kite Tube