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  • am i much more likely to get punctures running 700 x 43c tyres with inner tubes designed to only go up to 38c?

    does anyone do this?

  • I run 28mm tubes in 32 and 35mm tyres, because I have a few in the shed, and I'm a tightarse. No problems so far.

  • More likely to pinch flat, depends on your weight really.

  • Running 35mm tyres in (supposedly) 42mm (actually 38mm) tyres & not had any pinch flats that I wouldn't have expected anyway (hitting massive rocks).

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