Nova has some listed, but they are sold out. No pictures either.
https://cycle-frames.com/products/20...aluminum-frame
Every aluminum part:
https://cycle-frames.com/collections...luminum?page=1
Ceeway has some. They are at the bottom of this page, Art. 298. You have to ask for pricing/shipping
https://www.ceeway.com/Aluminum%20Al...20Titanium.htm