>>994344
Lightweight tubes have nothing to do with it you may just be unlucky
-whenever you get a flat pump up the old one and find out what happened
-If it’s pinched you fucked up and dishwasher detergent on the bead will make it easier to fit in future
-If it keeps failing around the valve stem you need a new tire, the bead is old amd not hooking onto the rim, the tire is rotating and ripping the valve out and you need a new tire