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Old 09-08-2014, 03:27 PM   #1
Beer'o'clock Baz OP
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Help with wrong tube size

Hey fellas need abit of help wth tube size
I had trouble finding a Michellin UHD tube ( my favorite tube ) yesterday for my Enduro bike , finally found one got it home ( 1.5 hour drive ) tube size is wrong - My bike takes a 140/80-18 tyre the tube size I bought is a 130/80-18. Will the 10mm differance be ok? or should I take it back to be safe?
Thanks
Baz
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Old 09-08-2014, 03:38 PM   #2
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"Be OK?"

Depends on what you mean by "Be OK?".

Will it fit, and not fail early? Yes it will work and not fail early.

Will it offer as much protection from punctures? No, it will be thinner as it is stretched.

Will a puncture repair be 'as good'? Probably not - the stretching will strain the patch.

------------------
That is all theory. Just by thinking about it. You could do the same thing.
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Old 09-08-2014, 03:43 PM   #3
ozbikedude
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normal heavy duty tube fits 140/80/18 and 130/80/18(stated on the box)
i reckon you would be right baz.
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Old 09-08-2014, 03:47 PM   #4
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I use a bridgestone HD tube the same size on the rear with a 140 and have no issues with all types of riding.
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Old 09-08-2014, 03:47 PM   #5
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Thanks fellas
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Old 09-08-2014, 04:32 PM   #6
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no problem

You'll definitely be ok with that size mate, also try using grease instead of baby powder... yup

This video explains why, watch the whole 15mins or skip to 4:35

http://www.youtube.com/watch?v=n6roPN4QoAs
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Old 09-08-2014, 05:03 PM   #7
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Quote:
Originally Posted by Young-Gun View Post
You'll definitely be ok with that size mate, also try using grease instead of baby powder... yup

This video explains why, watch the whole 15mins or skip to 4:35

http://www.youtube.com/watch?v=n6roPN4QoAs
Hey thanks Ryan great video, I am guilty off talcum powder oops
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Old 09-08-2014, 05:04 PM   #8
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what happened to your old avatar baz and what are you doing with grease and baby powder?
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Old 09-08-2014, 05:06 PM   #9
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what happened to your old avatar baz and what are you doing with grease and baby powder?
haha I was wondering where you were you know we like to change our styles ever so often
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Old 09-09-2014, 06:56 PM   #10
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kinky
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Old 09-09-2014, 07:38 PM   #11
GodSilla
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Quote:
Originally Posted by Beer'o'clock Baz View Post
Hey fellas need abit of help wth tube size
I had trouble finding a Michellin UHD tube ( my favorite tube ) yesterday for my Enduro bike , finally found one got it home ( 1.5 hour drive ) tube size is wrong - My bike takes a 140/80-18 tyre the tube size I bought is a 130/80-18. Will the 10mm differance be ok? or should I take it back to be safe?
Thanks
Baz
At a pinch, you could run a 21" tube in a 19, 18, or 17" rear tyre and be OK. It is not uncommon for dirt riders round here to only carry the one spare tube, a 21"that will fit both ends. I wouldn't take off and do a high-speed lap of the country with that sort of repair, but it is perfectly serviceable as a temporary repair.
As stated above, the 130/140 difference is 2/3 of bugger-all. I wouldn't give it a second thought again, ever.

And just for arguments sake, why run butyl-rubber UHD $45 tubes that won't take a patch? I've gone back to ordinary vanilla tubes, around $15 each, lightweight and packable as spares and they work as well, if not a bit better (less unsprung weight) that the so-called HD ones. I can buy them at a ratio of 3 to 1 compared to HD ones.

Use the ultra-HD tubes if you run really low tyre pressures off-road, they will resist impact flats better than the skinny tubes, that's all. When they do puncture, they are harder to change and heavier to carry as spares.
The fashion for UHD tubes is over for me, I see no advantage, and if I needed that sort of protection I'd think seriously about a mousse tube

And the cheapies take patches - recycling.
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Old 09-09-2014, 08:21 PM   #12
crash n bern
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Quote:
Originally Posted by Young-Gun View Post
You'll definitely be ok with that size mate, also try using grease instead of baby powder... yup

This video explains why, watch the whole 15mins or skip to 4:35

http://www.youtube.com/watch?v=n6roPN4QoAs
Keep in mind that was rubber grease. Otherwise the whole world will be shoving bearing grease in their tyres.
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Old 09-09-2014, 08:51 PM   #13
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Originally Posted by crash n bern View Post
Keep in mind that was rubber grease. Otherwise the whole world will be shoving bearing grease in their tyres.
oops
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Old 09-09-2014, 09:49 PM   #14
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Talcum Powder

He did not really explain what was wrong with using Talcum Powder and I noticed the tube he pulled out did not have any grease on it.

I for one will be sticking with the powder as I would hate to try and change that tube with grease all over it on the side of a trail somewhere.

I bet you will not get a patch to stick to that with grease all over it.

Just my 2 cents worth.
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Old 09-09-2014, 09:56 PM   #15
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Quote:
Originally Posted by Maso View Post
He did not really explain what was wrong with using Talcum Powder and I noticed the tube he pulled out did not have any grease on it.

I for one will be sticking with the powder as I would hate to try and change that tube with grease all over it on the side of a trail somewhere.

I bet you will not get a patch to stick to that with grease all over it.

Just my 2 cents worth.
Yep I used grease yesterday hahaha farkin everywhere talcum powder is a def for out on the track
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