• 4? All from glass in the tread on the rear. Standard Brompton rather than Marathons. Should probably spend more time pulling out the shards tbh but cba.

  • answer = buy marathons

    the amount of time wasted changing a Brompton rear tyre once will negate all the savings made in rolling resistance between that and a standard tyre...

    4 times, and you may as well just walk...

  • answer = buy marathon pluses

    FTFY. I love the sound of crunchy bits of glass under my Marathon Plus tyres first thing in the morning. Ride quality's abysmal, but life is too short for fixing punctures on a Brompton.

    And I know @edscoble will claim that fitting Marathon Plus tyres will make your Brompton explode in a fiery ball of death (until they changed the sizing) but mine hasn't.

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