BMW Hand Pump
Here's one left over from your grand dad's day: BMW's hand pump. This little gem is about 10" long and fits easily within the top frame tube of a airhead motorcycle. That means it's always with you in case you should have a problem with the air in your tires. It doesn't need batteries, doesn't hook to a spark plug hole, and doesn't run on CO2. That means it will always work. A pretty comforting thought when your destination includes the ends of the earth.