Breyton Race GTS wheels. It says the name right near the lug nuts. They came in 1-series offsets. Rear was more concave then the front, I was looking at a used set. Seem to be hard to find/purchase in the US, but are still available in Europe. I think there was some issues with cracked spokes.
https://www.google.com/search?q=brey...w=1920&bih=938
