Try http://www.cyclebasket.com and/or http://www.sjscycles.co.uk
Not sure about cheap nipples, someone will be along in a minute to advise I'm sure.
@Sam 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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Try http://www.cyclebasket.com and/or http://www.sjscycles.co.uk
Not sure about cheap nipples, someone will be along in a minute to advise I'm sure.