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  • entirely anecdotal but i went for a 130km ride with a dude using those and he had 4 punctures. I was on gp4000 and had none.

  • Last time I went for a ride on GP4ks I had two punctures.

    Took them off after that and put them in the shed, where they still reside.

    To be fair, it was very wet and lots of flint had washed onto the road. Lots of people were getting punctures.

    So maybe I retired them a bit prematurely and should put em back on again for the summer...

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