Does anyone still make deep section wheels (45mm+) with alloy brake tracks?

You mean you want retro antique style rims? :stuck_out_tongue_winking_eye:

HED Jet 6 Plus Carbon/Alloy Tubeless 700c Rear W | The Pro's Closet?

Aluminum braking tracks otherwise known as aluminum rims with carbon fairing aren’t really cheap enough to compete with low end full carbon rims