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PostPosted: Thu Mar 07, 2013 8:08 am 
Retro Guru

Joined: Mon Feb 11, 2008 9:42 am
Posts: 2363
I used em with quite some success actually, once i realised why they were splitting.

More talc needed! And regular deflation to reposition them. They seem to be so flexible that they allow the tyre to walk around the rim, and if they stick to the inside of the tyre at any point, you end up with 1/4 of the tube stretched round 3/4 of the tyre. Then they pop.

Butyl tubes are made of sterner stuff, so they don't allow the tyre to walk so much, and they will (probably) unstick themselves when they get slightly stretched.......
I used latex tubes from the late 90's, until i went tubeless 3 or 4 years ago. Had a couple of splits when i first started, and nothing since.


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PostPosted: Thu Mar 07, 2013 3:25 pm 
SotS Winner
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Joined: Wed Jan 09, 2008 2:23 pm
Posts: 1775
Location: Grazed and amused
If you want to run a lightweight tube, the Bontrager RXL butyl tubes are light, reasonably priced and durable. I raced them all last summer without a single flat.


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PostPosted: Thu Mar 07, 2013 5:35 pm 
retrobike rider / Gold Trader
retrobike rider / Gold Trader

Joined: Thu Mar 05, 2009 3:07 pm
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Location: Portsmouth
feetabix wrote:
that looks like a post mortem!...... :shock: .......i still use the red dust caps to this day, but all my air b tubes have gone to the big latex man in the sky!!.....


Same here!, red caps on the Backfire, tubes were less lightly to puncture but when they did it was all over as seen above.


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PostPosted: Thu Mar 07, 2013 7:02 pm 
Gold Trader
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Joined: Sat Oct 23, 2010 10:33 pm
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Location: New Forest
As hinted above, I'd expect that your rim wall giving way took the tube with it...


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PostPosted: Thu Mar 07, 2013 9:05 pm 
Old School Grand Master
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Joined: Tue Oct 19, 2010 9:55 am
Posts: 7058
Location: The land of Lea & Perrins
The rim wall hasn't given way. That's the tyre bead.


Isn't it?


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PostPosted: Thu Mar 07, 2013 9:08 pm 
retrobike rider
retrobike rider

Joined: Thu Apr 17, 2008 1:24 am
Posts: 7562
Location: Manchester
Barneyballbags wrote:
The rim wall hasn't given way. That's the tyre bead.


Isn't it?


Yep.


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PostPosted: Thu Mar 07, 2013 10:42 pm 
retrobike rider
retrobike rider
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Joined: Tue Jan 29, 2008 11:04 pm
Posts: 1799
Location: A wretched hive of scum and villainy...
At least it was proper retro...not one of those new fangled Eclipse inner tubes.
Only 56g for a 26 x 2.2" tube, but 49Euros each :shock:
Image
I would be crying if that burst...

All the best,


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PostPosted: Thu Mar 07, 2013 11:05 pm 
Gold Trader
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Joined: Sat Oct 23, 2010 10:33 pm
Posts: 2117
Location: New Forest
Rampage wrote:
Barneyballbags wrote:
The rim wall hasn't given way. That's the tyre bead.


Isn't it?


Yep.


:facepalm:

I'll get my coat. :oops:


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PostPosted: Sat Mar 09, 2013 3:43 am 
Retro Guru
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Joined: Fri Jun 12, 2009 11:58 pm
Posts: 801
Location: Quantocks
Barneyballbags wrote:
The rim wall hasn't given way. That's the tyre bead.


Isn't it?


Yeah. Rim is fine.

The idea above about needing more talc makes sense, the issue only really appeared when I hauled on the anchors from 30mph, which to me, didnt make sense at the time it happened.


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PostPosted: Sat Mar 09, 2013 10:57 am 
retrobike rider
retrobike rider

Joined: Thu Apr 17, 2008 1:24 am
Posts: 7562
Location: Manchester
I have one you can have for postage if you want it.


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