• Ive not had a single puncture on my Pro Ones, the 25mm come up as 27/28mm though.

    Effetto Mariposa is a good sealant, I had a massive hole in my Corsa Speeds from a screw and it sealed it.

  • Orange Seal is all we use in the shop for personal bikes. I've been running it under some Compass Cycles tyres for a few months now, and under some Vittoria Barzos for a few years now.

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