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Help With Choosing 700c Inner Tube



 
 
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  #1  
Old April 1st 18, 03:24 PM posted to rec.bicycles.tech
[email protected]
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Posts: 7
Default Help With Choosing 700c Inner Tube

x-posted from rec.bicycles.misc

This is the bike in question:

https://www.walmart.com/ip/Schwinn-A...-Bike/15711186

The tire size is 28" x 1 5/8" x 1 3/8" (37 - 622) 400 x 35c
The flat tube says 700 x 35/43c

Available to me at Walmart a

Bell Inner Tube Standard
27" Asos fits 700c 28 x 32c
Fits tire width 1 1/8 - 1 1/4

------or

Bell inner Tube Presta
700c ROAD ONLY
Fits tire width 25 - 32c
  #2  
Old April 1st 18, 03:59 PM posted to rec.bicycles.tech
AMuzi
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Posts: 13,447
Default Help With Choosing 700c Inner Tube

On 4/1/2018 9:24 AM, wrote:
x-posted from rec.bicycles.misc

This is the bike in question:

https://www.walmart.com/ip/Schwinn-A...-Bike/15711186

The tire size is 28" x 1 5/8" x 1 3/8" (37 - 622) 400 x 35c
The flat tube says 700 x 35/43c

Available to me at Walmart a

Bell Inner Tube Standard
27" Asos fits 700c 28 x 32c
Fits tire width 1 1/8 - 1 1/4

------or

Bell inner Tube Presta
700c ROAD ONLY
Fits tire width 25 - 32c


Either would work but if you can find a wider (700 35~45)
tube it would be better as it will not stretch as thinly to
fill your wider tire. At any rate be sure to find the cause
and correct the problem before fitting a new tube.

--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971


  #3  
Old April 1st 18, 04:31 PM posted to rec.bicycles.tech
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Posts: 7
Default Help With Choosing 700c Inner Tube

On Sunday, April 1, 2018 at 7:59:56 AM UTC-7, AMuzi wrote:

snip

Either would work but if you can find a wider (700 35~45)
tube it would be better as it will not stretch as thinly to
fill your wider tire. At any rate be sure to find the cause
and correct the problem before fitting a new tube.


Thanks for the response.

At any rate be sure to find the cause and correct the problem before fitting a new tube.


Flat tube when pumped up was leaking out of a patch : ) I did not see any damage to the tire inside or out where the patch occurred and the rim appeared smooth.

The schrader/ presta fix I was referring to is here. Do you have any opinion? TIA.

https://www.youtube.com/watch?v=76AQ8RFvCX4&t=127s


  #4  
Old April 1st 18, 05:08 PM posted to rec.bicycles.tech
AMuzi
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Posts: 13,447
Default Help With Choosing 700c Inner Tube

On 4/1/2018 10:31 AM, wrote:
On Sunday, April 1, 2018 at 7:59:56 AM UTC-7, AMuzi wrote:

snip

Either would work but if you can find a wider (700 35~45)
tube it would be better as it will not stretch as thinly to
fill your wider tire. At any rate be sure to find the cause
and correct the problem before fitting a new tube.


Thanks for the response.

At any rate be sure to find the cause and correct the problem before fitting a new tube.


Flat tube when pumped up was leaking out of a patch : ) I did not see any damage to the tire inside or out where the patch occurred and the rim appeared smooth.

The schrader/ presta fix I was referring to is here. Do you have any opinion? TIA.

https://www.youtube.com/watch?v=76AQ8RFvCX4&t=127s



Both valves work; indulge your preference or superstition.
You can put small things like Presta valves into big holes
like Schrader rims but not the other way around without some
metalwork.

Unless you have some need or desire to change, replace with
whichever valve was original.

--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971


  #5  
Old April 1st 18, 06:50 PM posted to rec.bicycles.tech
Duane[_4_]
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Posts: 1,546
Default Help With Choosing 700c Inner Tube

wrote:
On Sunday, April 1, 2018 at 7:59:56 AM UTC-7, AMuzi wrote:

snip

Either would work but if you can find a wider (700 35~45)
tube it would be better as it will not stretch as thinly to
fill your wider tire. At any rate be sure to find the cause
and correct the problem before fitting a new tube.


Thanks for the response.

At any rate be sure to find the cause and correct the problem before fitting a new tube.


Flat tube when pumped up was leaking out of a patch : ) I did not see any
damage to the tire inside or out where the patch occurred and the rim appeared smooth.

The schrader/ presta fix I was referring to is here. Do you have any opinion? TIA.

https://www.youtube.com/watch?v=76AQ8RFvCX4&t=127s




Going with the concept that the simplest solution is usually the correct
one, I would say to buy the type of tire made for the type of rim that you
have. In this case a Schraeder valve. Why would you be limited to what is
available at Wal-Mart? A local bike shop sounds like your best bet and in
addition to finding you a tube, they should be able to answer your
questions.

I see no value in trying to get a presto tube to work in a rim made for a
schraeder tube. Seems like just asking for trouble.

--
duane
  #6  
Old April 1st 18, 09:04 PM posted to rec.bicycles.tech
Dennis Davis[_2_]
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Posts: 33
Default Help With Choosing 700c Inner Tube

In article ,
Duane wrote:

....

I see no value in trying to get a presto tube to work in a rim made
for a schraeder tube. Seems like just asking for trouble.


Works for me. I just use a Mavic Schrader to Presta Rim Valve
Converter in each rim. They're just simple plastic inserts that
reduce the diameter of the hole that takes the valve.
--
Dennis Davis
  #7  
Old April 1st 18, 09:14 PM posted to rec.bicycles.tech
Jeff Liebermann
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Posts: 4,018
Default Help With Choosing 700c Inner Tube

On Sun, 1 Apr 2018 17:50:16 -0000 (UTC), Duane wrote:

I see no value in trying to get a presto tube to work in a rim made for a
schraeder tube. Seems like just asking for trouble.


What kind of trouble would you anticipate? Installing a Presta stem
in an oversized hole is certainly a bad idea. A suitable shoulder
washer should provide adequate protection.

Most of my rims are drilled for Schrader, while most of my tubes have
Presta valves. Don't ask why I got myself into this situation. I
initially used rubber grommets as adapters (because I had some).
However those eventually crumbled or devulcanized from UV or chemical
exposure.

Another advantage to using an adapter is that I can stock only Presta
style tubes, and they will fit both Presta and Schrader drilled rims.
No need to stock tubes with both types of valves.

Other adapter designs are available:
https://www.google.com/search?q=schrader+to+presta+rim+adapter&tbm=isch

I used a lathe to make a few that looked something like this:
http://wheelsmfg.com/catalogsearch/result/?q=presta+stem+savers


--
Jeff Liebermann
150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
  #8  
Old April 1st 18, 11:08 PM posted to rec.bicycles.tech
Duane[_4_]
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Posts: 1,546
Default Help With Choosing 700c Inner Tube

Jeff Liebermann wrote:
On Sun, 1 Apr 2018 17:50:16 -0000 (UTC), Duane wrote:

I see no value in trying to get a presto tube to work in a rim made for a
schraeder tube. Seems like just asking for trouble.


What kind of trouble would you anticipate? Installing a Presta stem
in an oversized hole is certainly a bad idea. A suitable shoulder
washer should provide adequate protection.

Most of my rims are drilled for Schrader, while most of my tubes have
Presta valves. Don't ask why I got myself into this situation. I
initially used rubber grommets as adapters (because I had some).
However those eventually crumbled or devulcanized from UV or chemical
exposure.

Another advantage to using an adapter is that I can stock only Presta
style tubes, and they will fit both Presta and Schrader drilled rims.
No need to stock tubes with both types of valves.

Other adapter designs are available:
https://www.google.com/search?q=schrader+to+presta+rim+adapter&tbm=isch

I used a lathe to make a few that looked something like this:
http://wheelsmfg.com/catalogsearch/result/?q=presta+stem+savers



Seems simpler to get the right tube. When my kid was living at home
stocking shraeders for his bike guaranteed he wouldn’t need to grab my
tubes. Didn’t seem like an overly complex solution.

--
duane
  #9  
Old April 2nd 18, 12:18 AM posted to rec.bicycles.tech
SMS
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Posts: 9,477
Default Help With Choosing 700c Inner Tube

On 4/1/2018 10:50 AM, Duane wrote:

snip

I see no value in trying to get a presto tube to work in a rim made for a
schraeder tube. Seems like just asking for trouble.


Sometimes there is value. On my road bike I bought a replacement rear
wheel and it was drilled for Schaeder but the front wheel is Presta. I
would prefer to only carry one tube.


  #10  
Old April 2nd 18, 01:51 AM posted to rec.bicycles.tech
John B.[_3_]
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Posts: 5,697
Default Help With Choosing 700c Inner Tube

On Sun, 1 Apr 2018 17:50:16 -0000 (UTC), Duane wrote:

wrote:
On Sunday, April 1, 2018 at 7:59:56 AM UTC-7, AMuzi wrote:

snip

Either would work but if you can find a wider (700 35~45)
tube it would be better as it will not stretch as thinly to
fill your wider tire. At any rate be sure to find the cause
and correct the problem before fitting a new tube.


Thanks for the response.

At any rate be sure to find the cause and correct the problem before fitting a new tube.


Flat tube when pumped up was leaking out of a patch : ) I did not see any
damage to the tire inside or out where the patch occurred and the rim appeared smooth.

The schrader/ presta fix I was referring to is here. Do you have any opinion? TIA.

https://www.youtube.com/watch?v=76AQ8RFvCX4&t=127s




Going with the concept that the simplest solution is usually the correct
one, I would say to buy the type of tire made for the type of rim that you
have. In this case a Schraeder valve. Why would you be limited to what is
available at Wal-Mart? A local bike shop sounds like your best bet and in
addition to finding you a tube, they should be able to answer your
questions.

I see no value in trying to get a presto tube to work in a rim made for a
schraeder tube. Seems like just asking for trouble.


I did it, for the same reason that the O.P wants to change from Presta
to Schraeder. I didn't have a pump to fit Schraeder valves.

What I did was turn up a couple of shouldered washers to fit the
larger Schraeder holes although it probably was over kill. A couple of
years so far with no problems.

--
Cheers,

John B.

 




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