bring on the snow
They're called KTrak Conversion kits, which can be applied to most mountain bikes.
https://www.ktrakcycle.com/index.html
@Rosmal started
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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They're called KTrak Conversion kits, which can be applied to most mountain bikes.
https://www.ktrakcycle.com/index.html