Need help finding short Presta valve tubes
04-23-20, 01:37 PM
#1
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Need help finding short Presta valve tubes
I can't seem to find a source for short, threaded Presta inner tubes. 700x25.
The shortest I could find is 40mm with a non-threaded (smooth) valve which won't lock in place.
Not ideal but I would settle for a longer valve stem if it were threaded. At least I could lock it in place and it won't shift while riding and cause a flat.
Anyone know of an online source for these old style valves?
Thanks!!
joe
The shortest I could find is 40mm with a non-threaded (smooth) valve which won't lock in place.
Not ideal but I would settle for a longer valve stem if it were threaded. At least I could lock it in place and it won't shift while riding and cause a flat.
Anyone know of an online source for these old style valves?
Thanks!!
joe
04-23-20, 01:46 PM
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04-23-20, 01:53 PM
#3
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Add "32" or "33" to your ebay search terms that include "presta" and "tube" for results that include 32mm and 33mm stems. So you would search the following:
presta tube 32
Sorting by price you can choose the tube that suits you best. (Make sure the stem is threaded.) Search again, but substitute "33."
presta tube 32
Sorting by price you can choose the tube that suits you best. (Make sure the stem is threaded.) Search again, but substitute "33."
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04-23-20, 01:57 PM
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I just ordered some tubes with 33mm fully threaded presta stems from Ben's Cycles in Wisconsin
04-23-20, 02:05 PM
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04-23-20, 02:56 PM
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...there are a lot of online sellers for Continental 42mm stem Presta tubes. All the Conti 42 and 60 mm stems are threaded IME.
I used to buy them bulk packed from Chain Reaction, but they've been out of stock because of Corona virus production issues for a while now.
...there are a lot of online sellers for Continental 42mm stem Presta tubes. All the Conti 42 and 60 mm stems are threaded IME.
I used to buy them bulk packed from Chain Reaction, but they've been out of stock because of Corona virus production issues for a while now.
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04-23-20, 03:26 PM
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...there are a lot of online sellers for Continental 42mm stem Presta tubes. All the Conti 42 and 60 mm stems are threaded IME.
I used to buy them bulk packed from Chain Reaction, but they've been out of stock because of Corona virus production issues for a while now.
...there are a lot of online sellers for Continental 42mm stem Presta tubes. All the Conti 42 and 60 mm stems are threaded IME.
I used to buy them bulk packed from Chain Reaction, but they've been out of stock because of Corona virus production issues for a while now.
Thanks for the heads up on the shortage, not surprised though. I'm still good for a while
Bill
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Semper Fi, USMC, 1975-1977
I Can Do All Things Through Him, Who Gives Me Strength. Philippians 4:13
Last edited by qcpmsame; 04-23-20 at 03:31 PM.
04-23-20, 04:04 PM
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Does it really matter? I have only ever tossed those little threaded nuts since I've seen plenty of people over tighten them and tear the tube and had plenty of complaints of the noise they make if they rattle loose. Although I have seen schraeder valves tear at the valve I can't really recall that happening with presta and even with schraeder that isn't what I'd call common. I like 42 since it does make it easier to get the pump on.
04-23-20, 04:24 PM
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I’m interested in this because of the aesthetics. A too long stem just doesn’t look right. While long and short stems perform the same, I would rather buy as short a stem as I can and have about an inch or so sticking out of the rim. I do agree with Russ Roth on the nuts (caps too), completely unnecessary.
04-23-20, 04:30 PM
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I’m interested in this because of the aesthetics. A too long stem just doesn’t look right. While long and short stems perform the same, I would rather buy as short a stem as I can and have about an inch or so sticking out of the rim. I do agree with Russ Roth on the nuts (caps too), completely unnecessary.
Last edited by Kabuki12; 04-23-20 at 05:43 PM.
04-23-20, 05:05 PM
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04-23-20, 05:28 PM
#12
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Add "32" or "33" to your ebay search terms that include "presta" and "tube" for results that include 32mm and 33mm stems. So you would search the following:
presta tube 32
Sorting by price you can choose the tube that suits you best. (Make sure the stem is threaded.) Search again, but substitute "33."
presta tube 32
Sorting by price you can choose the tube that suits you best. (Make sure the stem is threaded.) Search again, but substitute "33."
Thanks!!!
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04-23-20, 05:30 PM
#13
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.
...there are a lot of online sellers for Continental 42mm stem Presta tubes. All the Conti 42 and 60 mm stems are threaded IME.
I used to buy them bulk packed from Chain Reaction, but they've been out of stock because of Corona virus production issues for a while now.
...there are a lot of online sellers for Continental 42mm stem Presta tubes. All the Conti 42 and 60 mm stems are threaded IME.
I used to buy them bulk packed from Chain Reaction, but they've been out of stock because of Corona virus production issues for a while now.
I'll look for them!
04-23-20, 05:32 PM
#14
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Schwalbe SV15 and SV16 are presta valve tubes with 40mm threaded stems. I bought some recently from this ebay seller. About $7 (less if you buy a bunch) with free shipping.
I'll check them out!
Joe
04-23-20, 05:40 PM
#16
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FWIW, I bought a 5 pack of Schwalbe SV16 a couple years back, and every single one of them had a slow leak in the same spot. Looked like a small porous area, possibly caused by bubbles in the molding process.
I've also had problems with Michelin tubes.
Continentals have been issue free and reliable for me. 42mm stems don't look too bad. So I'll +1 the recommendation for those. I'm pretty sure the 32mm stem ship has sailed.
BITD I wouldn't have believed any one that came into a shop claiming to have defective tubes. It was always snakebite from installing with tire levers or similar gorilla moves. The Japanese tubes from the 80s were always good. Even the cheapest generic ones. These days, QC standards have slipped.
I've also had problems with Michelin tubes.
Continentals have been issue free and reliable for me. 42mm stems don't look too bad. So I'll +1 the recommendation for those. I'm pretty sure the 32mm stem ship has sailed.
BITD I wouldn't have believed any one that came into a shop claiming to have defective tubes. It was always snakebite from installing with tire levers or similar gorilla moves. The Japanese tubes from the 80s were always good. Even the cheapest generic ones. These days, QC standards have slipped.
04-23-20, 05:56 PM
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04-23-20, 05:58 PM
#18
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Continentals have been issue free and reliable for me. 42mm stems don't look too bad. So I'll +1 the recommendation for those. I'm pretty sure the 32mm stem ship has sailed.
BITD I wouldn't have believed any one that came into a shop claiming to have defective tubes. It was always snakebite from installing with tire levers or similar gorilla moves. The Japanese tubes from the 80s were always good. Even the cheapest generic ones. These days, QC standards have slipped.
I hope you're wrong about modern day QC.
Joe
04-23-20, 07:39 PM
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I guess it's these ones? https://www.benscycle.com/q-tubes-70...tu6884/productA bit of a premium, but good to know they are still available.
04-23-20, 09:21 PM
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Wow, good tip. I guess it's these ones? https://www.benscycle.com/q-tubes-70...tu6884/product
A bit of a premium, but good to know they are still available.
I guess it's these ones? https://www.benscycle.com/q-tubes-70...tu6884/productA bit of a premium, but good to know they are still available.
https://www.benscycle.com/kenda-700-...tu4238/product
04-23-20, 10:37 PM
#21
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I bought 2 of these and a pair of Continental Ultra Sport lll, shipping was free
https://www.benscycle.com/kenda-700-...tu4238/product
https://www.benscycle.com/kenda-700-...tu4238/product
Joe
04-24-20, 07:55 AM
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I have only used Michelin tubes for 25+ years and they have smooth valve stems. In all that time I have never had a flat due to that valve stem shifting, so IMO it's a non-issue. As a plus, the smooth stem is a lot more gentle on the pump gasket.
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04-24-20, 08:14 AM
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I'm about to try some Vittoria tubes as an experiment, because I use their tyres a lot.
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04-24-20, 08:22 AM
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