Ebay. My Scott YZ0 went for £375, and it was mint, literally like new with new tyres, grips, brake pads, chain, block, chainring, shifter, chain device, pedals etc. For £200 you might struggle, but you might be lucky and get this: http://cgi.ebay.co.uk/Dialled-Bikes-UK-Flo...id=p3286.c0.m14