The BD 75450 crosses over to the Dexter # 8-257-5UC3 7 inch hub/drum you'd looked at. The etrailer brand
# AKEBRK-2 would be a compatible replacement for your existing brake assemblies. Mounting hardware isn't included. If you don't wish to reuse the existing brake assembly mounting hardware, we offer replacement hardware as part # BRKH7, which provides hardware to install 2 brake assemblies.
You'll also want to closely examine the armature surface of the drum that the brake magnets ride... view full answer...