You would want the Continentals. I didn't think about Country Specific website, Try SJS and Wiggle in the UK too.
http://www.sjscycles.co.uk/
http://www.sjscycles.co.uk/
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk