An idea crossed my mind; Is it possible to make a compressor small enough to operate on human effort?
I am thinking on the lines that the *pedal work* can provide the required amount of power to compressor.
The compressor will be detachable through a clutch which we don't need to press frequently and it will be used to fill pressurize the tyres of the bicycle it will be mounted on. In short, the mechanism should be portable.

If required, additional battery may be provided for the operation of compressor. 😀
Mechanism will be small enough to turn your ride in a good experience.