105 r7000 rear derailleur on 2004 bianchi axis. Is the new road tech to have these 'b link extender' nobs insert into a derailleur hanger? : r/bikewrench
Wheels Mfg. gives UDH bikes a direct-mount hanger for Shimano derailleurs - Bikerumor
Standard Mount vs. Direct Mount Derailleur Hangers