Originally Posted by chaadster

I’ve been carrying Lezyne Road Drive pumps for over 10 years, and have them on three bikes. I don’t think I’ve pulled a valve core more than once, and besides not remembering, it wasn’t a crisis: I just threaded it back in.

How is this a big deal for people? Bad technique, maybe? As a tip, spin the pump straight off the valve; don’t pull it sideways and load up the valve