Phil (ascentale)@bobjonkman via @CharlesSites sort of ask:
Q4. What are your thoughts about presta vs schrader tire valves?
What do you use? prefer?
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rawe@ascentale @bobjonkman @CharlesSites @bikenite A4) had multiple cases of Presta valves slowly leaking air - only way to reliably fix this was to swap the valve.
Schrader valves work with gas station car tire inflation stations. At least they used to. Newer "smart" tire inflation stations can't deal with the low amount of air in bike tires and I heard storys of exploded tires and gas stations forbidding inflating bike tires.
Bob Jonkman> Presta valves slowly leaking air - only way to reliably fix this was to swap the valve.
How can you swap the valve without replacing the entire innertube?
Asked by someone who knows only Schrader valves...
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768kB 🚴☕🇬🇧🇺🇦🇵🇸@bobjonkman @stereo4x4 @ascentale @CharlesSites @bikenite Presta valve cores can be replaced. https://www.bikeparts.co.uk/products/continental-presta-valve-inserts-10pcs-black
Ah. A Schrader valve pin can also be removed by unscrewing. I have a handy valve cap with prongs on top to unscrew the pin.
This cap is out of my SCUBA kit. My float'n'flag has a car trailer innertube with a Schrader valve. It's much easier to deflate after a dive by unscrewing the pin than trying to hold the pin down to deflate the tube. I also have a Schrader inflator that connects to a hose on my regulator. 200psi FTW!
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Akkana Peck@bobjonkman @768kb @stereo4x4 @ascentale @CharlesSites @bikenite #bikenite
A4 I like Presta because of the nut that keeps the valve from submarining into the wheel (as someone else also mentioned).
But on the other hand, I hate that most Prestas don't have removable cores, so if you live in a goathead wasteland like I do and need Slime, you have to do a lot of tube research to make sure you buy the removable kind. With Schraeder they're all removable.
Also I wish Prestas weren't so loooong.
Trouble@akkana @bobjonkman @768kb @stereo4x4 @ascentale @CharlesSites @bikenite if you hunt, you can find Schrader tubes with threaded stems and a nut.
Ditto for Presta tubes with short stem lengths.
But yeah, you have to hunt for them, they are hard to find.
Ditto for Presta tubes with short stem lengths.
But yeah, you have to hunt for them, they are hard to find.
@bobjonkman @ascentale @CharlesSites @bikenite see attached picture stolen from this website: https://bikebuildtt.com/es/producto/presta-valve-core-replacement/
Pete@bobjonkman @stereo4x4 @ascentale @CharlesSites @bikenite Just adding to others' replies: not all tubes have removeable cores.