This patent also shows a hanger being used on the rear axles front leaf eyelet on a pivoting structure that also attaches the front axles rear leaf eyelet and hanger. To allow the front axle rear ...

TA5 eliminates the quick-release skewer and axle for a standard that allows quick-release hubs to be used with thru-axle ... a SRAM UDH (Universal Derailleur Hanger). No, we don’t.