Clicky clicky:
http://maps.google.com/maps/ms?ie=UTF8&hl=en&msa=0&msid=102018849781943482616.00044bdd439eb52e42331&ll=51.517716,-0.112267&spn=0.203386,0.367699&z=12
The yellow dollar signs are bike shops, I have only stuck the obvious central-ish ones in - but I would say the best for fixed gear stuff would be Cavendish and Brick Lane Bikes.
@tynan started
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Clicky clicky:
http://maps.google.com/maps/ms?ie=UTF8&hl=en&msa=0&msid=102018849781943482616.00044bdd439eb52e42331&ll=51.517716,-0.112267&spn=0.203386,0.367699&z=12
The yellow dollar signs are bike shops, I have only stuck the obvious central-ish ones in - but I would say the best for fixed gear stuff would be Cavendish and Brick Lane Bikes.