There are some You can get the major bike brands like Trek, Giant, Specialized etc., but the choice of models is much smaller than in US (e.g. I couldn't get Spec Tricross or Trek Portland). It is more difficult to get european bikes, such as Look or Bianchi.
You can get pretty much everything from the popular bike parts manufacturers, like Shimano or Sram. However, I don't believe I'd find anywhere here the kool stop pads that I've ordered.