I saw a good deal on Presta tubes with removable valve cores. My pump is the Lezyne with a screw in head. Would this pump be problematic with these tubes?
Thanks
I *think* maybe Lezyne tried to alleviate the problem by making hoses with a pressure release button? ^^Jay seems to be even more up to speed...didn't realize they were building in a valve core tool!!
Yes, it would. I've seen and heard from folks having the valve core unscrew with these pumps. Someone wrote a drop of Loctite on the core threads secures it sufficiently.I saw a good deal on Presta tubes with removable valve cores. My pump is the Lezyne with a screw in head. Would this pump be problematic with these tubes?
Thanks
I assume you are talking floor pump? Any idea if it works on their mini pump?Then I discover their Speed Chuck. Problem solved.
It works with any of their pumps with a threaded chuck. I have one for each of my mini pump.I assume you are talking floor pump? Any idea if it works on their mini pump?
cool thanks. Pretty cheap and easy to carry. I'll probably order one.It works with any of their pumps with a threaded chuck. I have one for each of my mini pump.
:shocked:The Lezyne pump head screws onto the valve. When unscrewing the pump the valve core will sometimes unscrew from the stem.Is there a Lezyne for non-removable valve core Presta?
Yes, it has happened to me, but I was on a group ride so someone bailed me out, otherwise I would have been SOL.I saw a good deal on Presta tubes with removable valve cores. My pump is the Lezyne with a screw in head. Would this pump be problematic with these tubes?
Thanks
So that riders can swap out OEM valve cores for carbon fiber (or better yet, ceramic) valve cores.The question must be asked: why do tube manufacturers even bother making tubes with removable valve cores? Based on people's input here it sounds like they are nothing but trouble.
Several reasons:The question must be asked: why do tube manufacturers even bother making tubes with removable valve cores? Based on people's input here it sounds like they are nothing but trouble.
This.Several reasons:
1) removable cores are replaceable. I keep about a dozen spares, so if one fails, or gets gunked-up, I can replace the core alone, leaving the tube (or tubular..) mounted on the wheel.
2) Extenders-for those with very deep aero wheels: You need to remove the core from the stem, and use the one in the extender.
3)-and this is the big one- For those using sealant in their tubes; you have to remove the valve first, fill the tube, then put the valve back on. Also, sometimes sealant will gunk-up the valve, making reason #1 important, too.
Double tap.This.
But just a note on point #2. There is another type of extender that is used with non-removable core. The way it works is you just losen the tip of the nonremovable core, then screw the extender right over the nonremovable core.
It's always handy to have both extender types on hand if you're using deep wheels. The reason is because if you run out of inner tubes, and someone donate their inner tubes with the nonremovable core type, then you will need to switch extender:idea::thumbsup:
The extenders that work w/ the removable cores are the ONLY way to go. And I must be slipping...c'mon OP, this thread should be in 'wheels/tires'...jeez.This.
But just a note on point #2. There is another type of extender that is used with non-removable core. The way it works is you just losen the tip of the nonremovable core, then screw the extender right over the nonremovable core.
It's always handy to have both extender types on hand if you're using deep wheels. The reason is because if you run out of inner tubes, and someone donate their inner tubes with the nonremovable core type, then you will need to switch extender:idea::thumbsup: