Yess BMX - You asked we deliver! For those using outdated "old style" 10mm dropouts, you can now join the Disc Brake movement as well! Collaborating with @sei.bmx this adapter/hub combination will
Onyx Ultra SSD Rear ISO BMX Disc Brake Cassette Hub – J&R Bicycles, Inc.
MCS BMX Pro Cassette Hubset - 36h - 20mm F & 3/8" R Disc - Black - BMXGuru.com / C&W Cycle
Onyx BMX ULTRA ISO HG-110/10mm Bolt-on Rear Hub - Onyx Racing Products
ELITE MTB FRONT HUB-ISO DISC BRAKE – Profile Racing