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Old 09-02-2013, 09:30 PM   #1
wyobohunter OP
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Spare tube

I'm sure it's out there, I did a search... Honest.

I currently carry a single 21" spare tube for my WRR (21" front and 18" rear).

Will a 21" tube work as a spare for the F800GS's 17" rear? Would you carry slime instead? Or both?
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Old 09-03-2013, 01:47 AM   #2
Yip
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I am doing the same when I am riding my WR. Since my F800GS have panniers I carry both 21" tube & 17" tube for spare, my rear wheel is tubeless.
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Old 09-03-2013, 03:33 AM   #3
wyobohunter OP
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I don't get it. Why carry the 17" if that tire is tubeless?
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Old 09-03-2013, 03:44 AM   #4
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Quote:
Originally Posted by wyobohunter View Post
I don't get it. Why carry the 17" if that tire is tubeless?
You can bend the rim and tubeless will become air-less
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Old 09-03-2013, 03:52 AM   #5
wyobohunter OP
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I see. So you'd have to cut the original valve stem out and get a tube in there to limp back to civilization.
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Old 09-03-2013, 08:47 AM   #6
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I carry only a normal duty 21' tube, it'll get you out of a bind if you need to use it on the rear.

it's a "limp home" solution.

Little story, about 2 weeks ago, was mountain biking with friends, one was using a tubless setup and had a sidewall blow out. I grabbed my handy backpack and pulled out a tube......it was for my road bike (Much thinner and larger diameter, not even close)

I used a cliff bar wrapper as a boot for the sidewall, then threw in the way too skinny tube (Pulled the tubless stem out first) and slowly blew it up. It was lumpy and scary to say the least, but it got him off the mountain at a slow rate, otherwise he'd be carrying it out on foot.

FYI, the road tube is used for a 23mm wide tire, the mountain bike was 60mm wide. Thin tubes can stretch and fold themselves up a bit to fill the areas when needed.
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Old 09-04-2013, 02:48 AM   #7
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Originally Posted by wyobohunter View Post
I see. So you'd have to cut the original valve stem out and get a tube in there to limp back to civilization.
You just unbolt it, tubeless valves are removable.
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Old 09-04-2013, 08:38 PM   #8
Dieselboy
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Quote:
Originally Posted by Yip View Post
I am doing the same when I am riding my WR. Since my F800GS have panniers I carry both 21" tube & 17" tube for spare, my rear wheel is tubeless.
+1

I used them infrequently. But enough that it was worth the space.

But I found that a two year storage interval in my pannier did not suit longevity of a tube. So last year I got bright and vacuum packed the spare tubes. Smaller package and better shelf life.
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Old 09-04-2013, 10:41 PM   #9
wyobohunter OP
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Vac packing tubes. Great idea. Maybe I'll do that with a lot of other "always with me but rarely use" stuff. Thanks
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Old 09-05-2013, 12:36 AM   #10
Yip
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Originally Posted by Dieselboy View Post
+1

I used them infrequently. But enough that it was worth the space.

But I found that a two year storage interval in my pannier did not suit longevity of a tube. So last year I got bright and vacuum packed the spare tubes. Smaller package and better shelf life.
Bright idea! I should pack my tubes the same.
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Old 09-05-2013, 03:25 AM   #11
FredRydr
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Quote:
Originally Posted by Dieselboy View Post
...I found that a two year storage interval in my pannier did not suit longevity of a tube.
Why not just install your spares in new tires, and replace the spares with new tubes, and so on? Then you'll never have two-year-old tubes.

Fred
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Old 09-05-2013, 06:07 AM   #12
Dieselboy
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Why not just install your spares in new tires, and replace the spares with new tubes, and so on? Then you'll never have two-year-old tubes.

Fred
Because I ran tubeless and didn't need tubes in the rear. The fronts did get rotated a bit.

The vacuum pack provided a good configuration for size and storage for the loooong rides to remote locations.

EDIT: BTW Fred, I really like riding the ridge up PA74 there north of Carlisle. Good terrain there abouts.
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Old 09-14-2013, 08:32 AM   #13
Nacho911
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I ziplock my F800GS tubes. Then take out all air in the bags. Then tightly duct tape them like a present. The tape protects the tubes from wear after many years of not needing them, and if you need tape, voila!

Happy riding
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Old 09-14-2013, 10:08 AM   #14
wyobohunter OP
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Spare tube

I ordered the Moose Racing HD tubes to put in my TKC 80 tires when I swap from the Pirelli Scorpions. I'll vac pack the OEM tubes and carry them as my spares.
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Old 09-16-2013, 08:19 PM   #15
palada
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Originally Posted by wyobohunter View Post

Will a 21" tube work as a spare for the F800GS's 17" rear? Would you carry slime instead? Or both?
Maybe for a little while...

I always carry a front tube, and only a patch kit for the rear. I had a large, unrepairable blowout in the rear tire, and had to use the front to limp back to civilization. I got about 15 miles before the 21" tube blew out in the rear tire (which was far enough - that time).

Lesson learned: carry both tubes, not just a front when away from civilization.
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