Old, slow, and fat.
What he said. Done it a few times. Best to get the longer axle and a few spacers.Dave Hickey said:If it's a steel frame, it's easier to pinch the dropouts and use the 126 axle.
To do it right, you need a 130mm axle and additional 2mm spacer on each side.
Won't cost too much...
Potential problem$: if yer running a cassette you'll need to get a different ca$$ssette body. If you're running a freewheel, you're limited to the Sachs 8sp FWs. (I still have one for some reason...)