if planning to run fixed you will need a white industries proprietry cog if you got the standard model or a bolt on cog if you got the disc model.
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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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if planning to run fixed you will need a white industries proprietry cog if you got the standard model or a bolt on cog if you got the disc model.