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  • I tried them some time ago but within 2 or 3 weeks, developed random cut in the sidewall which has never happened to any tyre since. Felt a bit pissed so took them off.

  • I use GP4000s II on a bunch of bikes, and like them, but sidewalls are disappointing in my experience. Always seems to be the bit that goes, well before the tyre is too worn.

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