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  1. #1
    Car free since 1995 pm124's Avatar
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    Sep 2006
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    Birdy Yellow, Birdy Monocoque
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    349 tube in a 355 Stelvio

    Hi everyone,

    I just returned from a trip. Since the wheels were already off the bike, I decided to fit a pair of Stelvios to my Birdy (355 rims). I was told that I should use 1 X 16" tubes (349s). But the tube doesn't seem to fit perfectly in there. (I can't tuck it all into the tire.) I though I had it in, but had a blow out, with the lip of the tire coming off the rim. There is also a tiny bit of rubber shredded off the bottom of the wire, but it doesn't look like it is interfering too much with the seal against the lip of the rim. Any suggestions?

  2. #2
    Senior Member caotropheus's Avatar
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    Mar 2005
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    In my opinion you can fit a 349 tube in a 355 rim. Pumping some air inside the tube might help. How do I know all of this? Because I used on my 559 X 25 wheels tubes for 520 wheels.

  3. #3
    Senior Member Fear&Trembling's Avatar
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    Oct 2005
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    I used cheng-shin tubes on my Birdy with Stelvios. They were 16 X 1 and fitted much better than the Schwalbes, which I think were SV4.

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