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London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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@Johnnyw75
I'm running Challenge Gravel Grinders at the moment... really good on the road but I'm guessing would be pretty shit in full on mud... I'd run them on hardpack and grass without any worries... originally had some Rocket Rons but they didn't last too long