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Patch or not to patch
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tomcat



Joined: 26 Sep 2006
Posts: 345
Location: vail

PostPosted: Tue Aug 04, 2009 1:51 pm    Post subject: Patch or not to patch Reply with quote

How many of u mt bikers patch flat tubes?(not on trail but after ride) I usually just replace it but I seem to get a lot of flats. I was thinkin this adds up to a lot of $$$'s after awhile.
T
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climbhoser



Joined: 17 Jan 2005
Posts: 5429
Location: Parker, CO and proud of it!

PostPosted: Tue Aug 04, 2009 1:58 pm    Post subject: Reply with quote

Performance has the best value patch kit for your money. Out of a $2 patch kit I can patch maybe 8 or 10 holes (can't remember exactly how many patches there are). Of course, if one ride through goatheads gives that many holes then it's still cheaper than a new tube.

I have tubes that have maybe 30 patches on 'em. Seriously. I ride enough that if I threw every punctured tube out it would be feeding a new fossil fuel reservoir a few thousand years from now.

Only time I don't patch is when it's unpatchable. That usually means an old patch went bad and the edge isn't staying sealed. Which usually means I didn't use the goo well enough to vulcanize the rubber. Sometimes you get a puncture ON a patch and that's also hard...patches don't like to stick to patches much.

Definitely patch, hombre. Don't waste. If you're changing out at 1 small puncture then you could just send all of your single punctured tubes my way Wink
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!ski



Joined: 06 Dec 2004
Posts: 4825
Location: Boulder CO

PostPosted: Tue Aug 04, 2009 1:59 pm    Post subject: Reply with quote

I have a conundrum.

I carry a spare tube in the saddle bag neatly folded. But only
a new tube will work as it has had the air pumped out.

Once a tube is used, I have not figured out how to get it back
to the fully deflated state.

Goatheads make very small holes that are hard to find on the trail,
or more likely, at the trailhead, when the puncture from the last
ride is discovered. So new tire is invariably used. (Pinch flats
are usually obvious.)

I do carry an old patched tube in the trunk to use instead of
my "new spare".

I have not bothered to figure out how to unpump a tube.
I should.

I need to carry spare pedals, I keep popping my Shimano SPDs.
But I have gotten good and putting them back together and
they come with a built in "spare side". Wink

-r


Last edited by !ski on Tue Aug 04, 2009 6:09 pm; edited 1 time in total
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climbhoser



Joined: 17 Jan 2005
Posts: 5429
Location: Parker, CO and proud of it!

PostPosted: Tue Aug 04, 2009 2:18 pm    Post subject: Reply with quote

While not necessarily "obvious" I have never had trouble locating a goathead puncture on the trail. Use the tip of your nose to feel for air. Pump the punctured tube up and even wet the tip of your nose with spit or water. If you see a suspected hole, put some saliva or water on it and see if it bubbles. Easy.

As for getting the used tire back into the seatpack...well, all the more reason to pump instead of replace. You don't have to! If you do have to, then maybe you should have a slightly larger seatpack. Mine seem to fit alright. If not there then in my Camelback Wink
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robrox



Joined: 20 Oct 2005
Posts: 9950
Location: following Diogenes, but the bastard has the lamp and I'm just stumbling along in the dark!

PostPosted: Tue Aug 04, 2009 2:20 pm    Post subject: Reply with quote

Patch!
The self adhesive patches are okay for enroute, but if you will carry a patched spare, better go vulcanised.

Deflating spares for a tight wrap?
Confused
You're kidding!?!
Easy!
-Patch
-comfirm patch success
-deflate tube by opening valve
-Roll some of the tube until the uncompressed part of the tube is turgid, open valve to further deflate
-Repeat till tube is fully rolled and seal valve
-Unroll tube, pad the valve with a shop-weight paper towel and roll the tube with the valve in the center
-zip-lock bag it
-stow it is usual
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Last edited by robrox on Tue Aug 04, 2009 2:26 pm; edited 2 times in total
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aaron_wright



Joined: 08 Jan 2005
Posts: 1163
Location: Wenatchee

PostPosted: Tue Aug 04, 2009 2:21 pm    Post subject: Reply with quote

!ski wrote
Quote:
I carry a spare tire in the saddle bag neatly folded. But only
a new tire will work as it has had the air pumped out.

Once a tire is used, I have not figured out how to get it back
to the fully deflated state.

Goatheads make very small holes that are hard to find on the trail,
or more likely, at the trailhead, when the puncture from the last
ride is discovered. So new tire is invariably used. (Pinch flats
are usually obvious.)

I do carry an old patched tire in the trunk to use instead of
my "new spare".

I have not bothered to figure out how to unpump a tire.
I should.
Complete and utter bullshit. I'm thinking you meant tube not tire, and striping the air out of a used tube is a simple process. Goathead holes are easy to find and I routinely patch them during rides. Any biker should be able to patch a tube in the field, it only takes a few minutes longer than replacing with your spare. Spare tubes are for multiple punctures or lacerations of the tube. If your posting was facetious ignore my rant.

And instead of buying patch kits, have your bike shop get you a box of patches and buy yourself some vulcanizing fluid at the hardware store. You can patch 100 punctures for around five dollars. Velox patches, the small blue and black ones, are the best.
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SkaredShtles



Joined: 06 Dec 2004
Posts: 7438
Location: In a van................ down by the river

PostPosted: Tue Aug 04, 2009 2:28 pm    Post subject: Reply with quote

I patch twice, then pitch the tube. Actually I don't pitch it... I save it for unknown things I MIGHT need the old tube for. Mr. Green
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climbhoser



Joined: 17 Jan 2005
Posts: 5429
Location: Parker, CO and proud of it!

PostPosted: Tue Aug 04, 2009 2:29 pm    Post subject: Reply with quote

aaron_wright wrote:
And instead of buying patch kits, have your bike shop get you a box of patches and buy yourself some vulcanizing fluid at the hardware store. You can patch 100 punctures for around five dollars. Velox patches, the small blue and black ones, are the best.


Sage advice! I will ask them when I'm in this week.
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bbense



Joined: 08 Dec 2004
Posts: 6802
Location: Berkeley, CA /Tahoe

PostPosted: Tue Aug 04, 2009 2:36 pm    Post subject: Re: Patch or not to patch Reply with quote

tomcat wrote:
How many of u mt bikers patch flat tubes?(not on trail but after ride) I usually just replace it but I seem to get a lot of flats. I was thinkin this adds up to a lot of $$$'s after awhile.
T


Carry a patch kit with the glue ( not self sealing ) and good pump. There will be a day with more flats than you have spare tubes and C02 cartridges. ( I think my current record is 4 flats in a single ride... )

I generally just use the spare tube first ( which usually has at least one patch ) and patch the tire at home. I don't do as good a job with the patch when I'm tired, dirty and sweaty.

On long group rides I will generally carry two tubes. One for me and one to hand out to those less well prepared. You can make a lot of friends that way...

_ Booker C. Bense
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rsireland3



Joined: 21 Sep 2007
Posts: 9790
Location: Northwest Vermont and EL/R -6.12, SL/A -8.15

PostPosted: Tue Aug 04, 2009 2:58 pm    Post subject: Reply with quote

Both.
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bbense



Joined: 08 Dec 2004
Posts: 6802
Location: Berkeley, CA /Tahoe

PostPosted: Tue Aug 04, 2009 4:07 pm    Post subject: Reply with quote

SkaredShtles wrote:
I patch twice, then pitch the tube. Actually I don't pitch it... I save it for unknown things I MIGHT need the old tube for. Mr. Green


Um... why after two? Worried that extra few grams will lose you the podium?

If anything a well patched tube is generally tougher than an unpatched one, if slightly heavier.

BTW, in order to keep your sanity I recommend cutting the unpatchable tubes in half as soon as you decide it's toast. I have more than once accidently put an unpatchable tube in the pack by mistake.

_ Booker C. Bense
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Quadzilla



Joined: 06 Dec 2004
Posts: 1538
Location: Washoe Valley, Nevada

PostPosted: Tue Aug 04, 2009 4:11 pm    Post subject: Reply with quote

Since going tubeless four years ago, flats have pretty much have been a non issue. I do carry a spare tube as well as glueless patches just in case as I have had a tubeless tire split and was able to tube it and patch the split with cardboard to get back. A tip that I have is to carry the tube in the box as a tube riding free in your pack can abraid in the pack and develop a hole which has happened to me more than once. The box can also be used to patch a split or snake bite too. Anyway, around here most trails are thorn free but lots of goatheads along the roads, not as bad a lot of places mainly in the fall when the thorns come off the vine and blow onto the road.
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SkaredShtles



Joined: 06 Dec 2004
Posts: 7438
Location: In a van................ down by the river

PostPosted: Tue Aug 04, 2009 4:34 pm    Post subject: Reply with quote

bbense wrote:
SkaredShtles wrote:
I patch twice, then pitch the tube. Actually I don't pitch it... I save it for unknown things I MIGHT need the old tube for. Mr. Green


Um... why after two?

Completely arbitrary. I'm crazy like that. Mr. Green
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SkaredShtles



Joined: 06 Dec 2004
Posts: 7438
Location: In a van................ down by the river

PostPosted: Tue Aug 04, 2009 4:35 pm    Post subject: Reply with quote

Quadzilla wrote:
Since going tubeless four years ago, flats have pretty much have been a non issue.

You're lucky. Since going BACK to tubeless last fall I've had two flats. And flats are a f**king mess when you've put that liquid latex $hit in your tire. Evil or Very Mad
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Quadzilla



Joined: 06 Dec 2004
Posts: 1538
Location: Washoe Valley, Nevada

PostPosted: Tue Aug 04, 2009 5:22 pm    Post subject: Reply with quote

SkaredShtles wrote:
Quadzilla wrote:
Since going tubeless four years ago, flats have pretty much have been a non issue.

You're lucky. Since going BACK to tubeless last fall I've had two flats. And flats are a f**king mess when you've put that liquid latex $hit in your tire. Evil or Very Mad


Where are the leaks? I had a slow leak around the stem that was causing problems as it was so slow. I finally used soapy water and found the leak. Replaced the stem assembly and holding well. I have had good luck with Stan's sealing goatheads but just not riding in places where the goats live.
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