you need to use the surly fixxer http://www.bikeman.com/HU9020.html?utm_source=GoogleBase&utm_medium=GoogleBase&utm_campaign=GoogleBase
@dogsballs 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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you need to use the surly fixxer
http://www.bikeman.com/HU9020.html?utm_source=GoogleBase&utm_medium=GoogleBase&utm_campaign=GoogleBase