Review on 🚲 High Pressure Bicycle Tire Hand Pump - LEZYNE Pressure Drive, 120psi, Presta & Schrader, ABS Flex Hose, Compact Bike Pump by Terrance Fisher

This pump is well made, fits easily in a jersey pocket and inflates the tube well. The problem occurs when you remove the pump after inflating the tire. It's designed to screw onto the Presta valve, but when you want to remove it, it often unscrews the valve core, so you remove it with the pump and your tire loses all of the air. This is quite a disappointing experience, leading me to believe it would be better to use a different method of attaching the pump to the valve stem. One solution might be to use Loctite on the valve cores, but then you can't just remove them to add more sealant to tubeless tires. Overall I think they should reconsider the design to improve the attachment method.