Review on 🚲 LEZYNE Sport Drive HV Bike Pump - High Volume 90 PSI, Presta & Schrader Compatible, Aluminum Barrel, ABS System - Compact Hand Pump for Fat, Plus-Size and Mountain Bicycle Tires by Arturo Reyes

The best tiny pump I've tried. Lezyne's standards of construction and quality appear to be the highest of any pump - across the range. I use it on high volume tires and don't hesitate to use it on the track to adjust the pressure, showing that it's easy enough to use and delivers air fast enough (despite its small size) that it's more than just a Emergency is pump. The small filling hose is easy to use and can be screwed on so quickly that it does not interfere with use. Over time I prefer intake hose pumps as they put less pressure on the valve stem, although it takes a little longer. Tip: First screw the inlet hose onto the valve stem, THEN screw the pump onto the inlet hose. Much easier than screwing the entire pump/hose onto the valve stem. The screw filler cap can unscrew the removable valve core if not properly tightened. This only seems to be an issue for those who remove the valve cores to preserve the sealant, which makes the core easier to unscrew. For someone who doesn't remove the cores, this probably won't be a problem, but if they unscrew the valve core, it becomes a serious problem. Lezyne solved this problem in two ways: 1) They offer a filler tube with a pressure relief valve that they say fixes the problem, called "ABS Flex Hose". 2) They also offer a fill tube which is pressed in like the old Presta pumps and therefore cannot unscrew the core. But this model doesn't have any of those stuffing tubes. If you're applying sealant to your hoses with removable valve cores or working without hoses, consider purchasing a Lezyne pump with flexible ABS hoses instead. The lack of ABS (Air Bleeding System) is probably the reason why this pump is so cheap. ABS flexible hose inflation hoses are available from Lezyne for this pump, as are barbed flexible hoses (Schrader valves are not provided on the other end of the threaded ABS valve hose).