Your wheel size is 700c (sometimes listed as -622 in ISO, or as 28-zoll (inches) in German, or as 29" in the US).

I would look at something like this:

http://www.amazon.co.uk/Ventura-Scre...ords=bike+rack

especially that it's only £35 with panniers (the actual bags) including shipping.

i don't think that it's the best quality kit ever, but i think it's a good starting point.