Originally Posted by LUCAS

I have just about had it with Presta Valves. I keep shearing off the little nut that one opens to admit air into tubes. Apparently, the little nut and the stem it sits on are extremely delicate.

Is there an adaptor I can buy so as to bypass the little pesky nuts on Presta Valves, thus using the Schrader chuck-end of my floorpump? The adaptors I have had for years, which I bought from Performance Bike does not seem to work. Or, maybe I do not know how to use them properly.

Please help with ideas or pointers. I am wasting a lot of tubes when I try to top my air before rides. And I am one that absolutely has to check my air pressure, and to top it off on every single ride.

Thanks for all responses.

Regards,

The title should have read: Help! Presta Valves are Gonna Send Me to the Poorhouse.