Presta valves
10-14-17, 03:14 PM
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Presta valves
Just got a Critical Cycle bike only to learn that it has these freaking presta valves. Of course, no place nearby sells adapters.
Is there any way to pump air into the tires without an adapter?
Thanks.
Is there any way to pump air into the tires without an adapter?
Thanks.
10-14-17, 03:39 PM
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Get a pump that works with it.
10-14-17, 04:01 PM
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Have checked your pump? Probably I'm guessing. But many pumps accommodate both.
10-14-17, 04:05 PM
#4
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Presta to Schrader adapters are like $3 in any bike shop.. sitting on your computer? have one mailed.
If the rim is wide enough make the stem hole bigger so you can use either P/V or S/V.
If the rim is wide enough make the stem hole bigger so you can use either P/V or S/V.
10-14-17, 04:39 PM
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Those freaking Presta valves are pretty freaking great. Lots of freaking pumps can accommodate them, so maybe spend another 30 freaking dollars?
10-14-17, 04:46 PM
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There’s a trick that was widely circulated maybe a year ago.
It’s possible to DIY a Schräder-to-Presta adapter simply by cutting off the tip of a Presta valve cap.
More here:https://www.purecycles.com/blogs/bic...hrader-adapter
It’s possible to DIY a Schräder-to-Presta adapter simply by cutting off the tip of a Presta valve cap.
More here:https://www.purecycles.com/blogs/bic...hrader-adapter
10-14-17, 05:04 PM
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You can find cheap pumps @ Wal Mart that fill both schrader and presta type valves. When presta were new to me I didn't like them either- now I prefer them to schrader.
10-15-17, 07:52 PM
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Most decent floor pumps have a head that will do normal presta or the antiquated shrader valves, both. Every pump I ever had does. If you're really afraid of presta, any bike shop should have a screw on shrader adaptor for pennies.
Last edited by Slightspeed; 10-16-17 at 09:46 AM.
10-16-17, 08:00 AM
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10-16-17, 11:11 AM
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Walmart and bike shops have these adapters and other types............ https://www.walmart.com/ip/Slime-Val...ndard/49934338
10-16-17, 03:23 PM
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10-16-17, 03:51 PM
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There's nothing wrong with Presta valves, except that the makers in Asia have given up on quality control. Those of us who've been using PV for more than a few decades remember NEVER having problems, except for the once in a lifetime broken nut when out push until pump heads slipped. Even then, the valve was still OK, which is no longer true.
Those who don't like PV can raise all sorts of objections, but they forgot the main advantage. PVs are simple check valves, which use only the tire's pressure to stay closed. That makes pump design and function simpler. OTOH that reliance on internal pressure alone, may render PV unsuitable for low pressure tires.
So, ito not about better or worse, but which is more suited to the specific a application. PV for narrow HP tires, SV for wider rims and tires running at lower pressure.
As I said, the main to PV is broken stems, which are easily avoidable. But one can overcome that by buying only tubes with replaceable valves. Riders using deeper rims might as well get used to PV because tubes with SVs long enough aren't readily available.
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10-16-17, 05:41 PM
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Agreed. I think the author of the linked article just doesn't like them. That is their right. I still see advantages for both that are dependent on how and what they are used with.
I've never had any issues with presta valves. I use and like both.
I've never had any issues with presta valves. I use and like both.
10-16-17, 06:01 PM
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10-16-17, 06:08 PM
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It's par for the course. Those who don't have problems, don't start threads.
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10-16-17, 06:11 PM
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Yeah, I was thinking less of the OP and more of the guy writing that BikeRadar piece. The former just needed help, the latter wants to dictate things for others.
10-16-17, 06:12 PM
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OP bought a $200 bike. He probably doesn't even own a pump and pressurizes his tires at a gas station. He made one post and disappeared.
They make chocolate and vanilla, choice is good, newbs will learn or disappear.
They make chocolate and vanilla, choice is good, newbs will learn or disappear.
10-16-17, 06:18 PM
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That set the stage for the classic BF valve debate, which is probably no.17, after chain lube, CF frames, DB spokes, etc.
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An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
10-16-17, 06:24 PM
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When I got back into riding after a 35 year absence, I thought these "new" presta valves were the greatest scam since one hour Martinizing.
Now, I think they're just fine and can't recall what the issues might have been.
Now, I think they're just fine and can't recall what the issues might have been.
