The older lezyne minipumps didn't have the 'ABS' system (which is a button on the hose that releases pressure) so sometimes tended to unscrew removable valve cores. I bought a new 'ABS' hose for my pressure drive and now have no problems with removable core tubes.
The older lezyne minipumps didn't have the 'ABS' system (which is a button on the hose that releases pressure) so sometimes tended to unscrew removable valve cores. I bought a new 'ABS' hose for my pressure drive and now have no problems with removable core tubes.