I think somebody beat me to it, took a bit to dust through the cobwebs ad recall the ESGE name/brand which now seems to be SKS
the 35 or 45mm should work and don't seem to be too pricy,
http://sheldonbrown.com/harris/fenders.html
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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