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And it's got a very slight resistance to pumping as the pump stroke has to depress the valve on its spring to open it,
How do you think the schreader valves open? Pixie dust?
And didn't give a single reason why you think Presta might be better.
Okay here's one. All one way valves, which is what both presta and schreader are, leak. It's a fact of engineering. Presta valves with their screw down bit help provide a more reliable seal that schreader which rely solely on the pressure to keep the valve closed.
Presta
Compatibility, especially since going tubeless.
Gonefishin, can you read? I was talking about schraders when I wrote that.
You can't put the MBUK 'bullet' valve caps on presta.
THREAD CLOSED
You can't put the MBUK 'bullet' valve caps on presta.THREAD CLOSED
Indeed - when you put it like that, presta is clearly the only option.
Never seen schrader with extended valve stems to fit the deep section on my roadie rims either...
i was referring to schrader valves, no experience of schraeder or schreader!
Gonefishin, can you read? I was talking about schraders when I wrote that.
On the available evidence, it appears "not very well" is the answer to that question.
Hey, Gonefishin, reading that again that was needlessly rude of me, apologies- it didn't seem that way when I wrote it for some reason.
It's a fact of engineering. Presta valves with their screw down bit help provide a more reliable seal that schreader which rely solely on the pressure to keep the valve closed.
in all honesty, have you actually noticed air leaks from schraeder tubes from the valve!?
last time i used my bike with scraeder valve was in november, since then the BB has siezed as have the rear wheel bearings. the tubes are still as hard as they ever were.
only reason i use any presta tubes is cos of tubeless. i find schraeder (or whoever you spell it) a bit more sturdy and less fiddly with cold fingers.
i'd love it if tubeless rims were sold drilled for schrader i don't see any reason why they aren't!?