• But there are more expensive butyl tubes that are lighter than cheaper heavier ones. That was what the OP was asking about.

  • Only if cheap one isn't worth buying, which frankly, are inner tube.

  • But there are more expensive butyl tubes that are lighter than cheaper heavier ones.

    The only way to make butyl tubes lighter, is to make them thinner; and if you make butyl thinner, you make it less puncture resistant.

    Never understand weight-weenies who buy super thin butyl tubes (Conti Supersonic?): just buy latex, yo!

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