Kits seem to come with 16/17T. If you need to change you can get a new 'DX cog' for £4..
@provenrad 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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Kits seem to come with 16/17T.
If you need to change you can get a new 'DX cog' for £4..