The best thing UDH did is to help allow the hanger to be part of the derailleur instead part of the frame, ala Transmission. Now instead of needing a hanger for the multitudes of frames out there, shops just need a few types of hangers to match the small selection of derailleur types. Really that's just UDH-to-trad-hanger, and that bit of a t-type that is replaceable, right now, but it opens up options.
June 23, 2023, 7:38 a.m. - Justin White
The best thing UDH did is to help allow the hanger to be part of the derailleur instead part of the frame, ala Transmission. Now instead of needing a hanger for the multitudes of frames out there, shops just need a few types of hangers to match the small selection of derailleur types. Really that's just UDH-to-trad-hanger, and that bit of a t-type that is replaceable, right now, but it opens up options.