Heavy bike, 28mm tyre, which tube?

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Heavy bike, 28mm tyre, which tube?

Postby drubie » Mon Jan 28, 2013 6:55 pm

My tandem buddy and I recently picked up a trek t100 to find a little more speed compared to his heavy 26" Apollo.

Anyway, our first ride was a bit of a disaster with three flats on the front in the space of 5km. I had installed some new Maxxis refuse 28mm tyres, when I bought them the LBS handed me stock 23mm tubes and said they'd be fine.

The back one seems OK, but the front one was major trouble. The rim tape had squirmed around exposing spoke hole edges etc. I replaced the rim tape but I think the tubes might be marginal in this application.

I have tossed a 27 1/4 (700x32) in the front for a test ride but what does everyone else use?
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by BNA » Mon Jan 28, 2013 7:35 pm

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Re: Heavy bike, 28mm tyre, which tube?

Postby Mike Ayling » Mon Jan 28, 2013 7:35 pm

I have used 23mmtubes in a 28mm tyre for years without any ill effects.

Sounds like the rim tape or lack thereof is your problem but you should be able to determine whether the punctures are on the inside or outside diameter of the tube.

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Re: Heavy bike, 28mm tyre, which tube?

Postby drubie » Mon Jan 28, 2013 8:24 pm

Mike Ayling wrote:I have used 23mmtubes in a 28mm tyre for years without any ill effects.

Sounds like the rim tape or lack thereof is your problem but you should be able to determine whether the punctures are on the inside or outside diameter of the tube.

Mike


Hmmm - I just repaired both of those tubes and sure enough, both are punctured on the inside and both in roughly the same spot. Might have just been the dodgy rim tape after all (fingers crossed!).
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Re: Heavy bike, 28mm tyre, which tube?

Postby jacks1071 » Sat Feb 02, 2013 1:00 pm

We run 28's on our tandem and wider tubes to match the tyres are preferable. I've had the odd split from using 19-25mm tubes and they also don't hold their pressure as well.

Not a big deal either way but if you are buying some, I'd go for the wider ones.
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Re: Heavy bike, 28mm tyre, which tube?

Postby LG » Sat Feb 02, 2013 1:29 pm

yep - 23mm tubes in my 28mm tyre commuting bike for the last few years, no problem.
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Re: Heavy bike, 28mm tyre, which tube?

Postby drubie » Sat Feb 02, 2013 5:04 pm

jacks1071 wrote:We run 28's on our tandem and wider tubes to match the tyres are preferable. I've had the odd split from using 19-25mm tubes and they also don't hold their pressure as well.

Not a big deal either way but if you are buying some, I'd go for the wider ones.


We had a successful ride on Thursday after I replaced the rim tape and put the 32mm tube in there. I think the bigger tubes offer a slightly higher margin of safety over the narrow ones - I'm a bit paranoid about losing the front on a tandem since I'm the dude responsible for any crashes :oops:
So we get the leaders we deserve and we elect, we get the companies and the products that we ask for, right? And we have to ask for different things. – Paul Gilding
but really, that's rubbish. We get none of it because the choices are illusory.
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