A device used to inflate, or inflate and seal, a collapsible spare or flat tire.
popular optional accessory first made available in 1912 and last seen mentioned in Fr. catalogue for 1923 cars [could have been available also for a few more years]; it ran off the motor.
motorcycle: a motor vehicle with two wheels and a strong frame
A bicycle or motorcycle
bicycle: ride a bicycle
bicycle: a wheeled vehicle that has two wheels and is moved by foot pedals
Frei_th is right....I should have used a tripod....
But do you have tripods with you on a simple biking tour ? Yes, maybe one could construct an extensible bicycle tire inflator that could be used as a tripod ! Doesn't someone want to get rich with this idea ?