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Tyres and inner tubes.

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Chris the Fish
Chris the Fish
Jan 2012
7:38pm, 30 Jan 2012
215 posts
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Chris the Fish
Ok, this may sound like a numpty question, but here goes.

I have nobbly 700x40c tyres on my Hybrid and would like to change them to thinner slicks, I was thinking about 30s or even 28s but Im not sure if id need new inner tubes.

Would I need smaller tubes for the smaller tyres or would the ones in my 40s do?

Cheers folks
Lisa T
Lisa T
Jan 2012
8:19pm, 30 Jan 2012
714 posts
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Lisa T
I changed my tyres on my cyclocross from 32c to 28c & my inners were fine for both tyre sizes. If you've still got the inner box, it'll say what the range is. My Conti Cross ranges from 25c-35c. If not, you could google your inner. Those in the know (ie, them propa bike folk) may have a better way of telling!
The Pilotlight
The Pilotlight
Jan 2012
8:24pm, 30 Jan 2012
4,391 posts
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The Pilotlight
your inner tube may have a size stamped on it, often the manufacturers put a 28c tube into the tyre. if that is so, then it'll work, if it's a big thick 38-40c tube then no. when putting the tube in make sure it's not pinching between the rim and tube, or it'll go BANG!
Chris the Fish
Chris the Fish
Jan 2012
9:43pm, 30 Jan 2012
216 posts
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Chris the Fish
Cheers guys, lll have the tyre off and have a look.

:)

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Maintained by Chris the Fish
Ok, this may sound like a numpty question, but here goes.

I have nobbly 700x40c tyres on my Hybri...
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