Originally Posted by Cookiemonsta

Tracking this thread. I have the same pump as the OP. I inflate my tires to 110/120 Psi but actually never had a problem with the Joe Blow Max. I do agree that the mechanism that attaches to the valve is a little fiddly, but not too bad. I found on it locks on tight and secure. And I cant really say my experience has been that anything over 90 Psi is extremely difficult. I routinely pump my tires to 120 Psi without even thinking about it. Takes a few seconds, literally.