On Wed, 10 Jul 2019 17:56:13 -0700, AK wrote:

I bought a package of CO2 inflator which clearly states it works on
Presta And Schrader valves.

It has nothing to depress the needle part of the inner tube valve to
allow the gas in?

Thanks,
Andy

Why, btw, is CO2 used? Why not plain air?

--
Dieter Britz