I’ve used them A BUNCH- great rims, very solid, to me seem just like an Open Pro but only eyeletted on the outside.
Have a set mounted up to the 78 Davidson’s first gen DA hubs since the original Weinmann concaves were so uncooperative with nice modern tires.
If I recall, hard to find in 36 drilling and sometimes hard to find at all in black. But nice rims!
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Hard at work in the Secret Underground Laboratory...