Originally Posted by
freeranger
Just a thought (hopefully not a useless one!)-I wonder if using a presta-schrader adapter would work--the adapter has a larger "tube" which might not grip the presta core as tightly?
An adapter will unscrew cores at the Continental factory installation torque.
I discovered that when I wore out the Presta side of the rubber washer in my frame pump and relied on an adapter until I found a New Old Stock example of my favorite frame pump which was too small but allowed me to scavenge the discontinued small part.