So I did
It says : No changes for FXDF in 2010
My OD is an idiots. Here in St-Petersburg, Russia they OD for Cadillac as well and decided to save money and not to educate their mechanics Just because they confident with Cady - means 100% useless for HD.
Thats why I try to find out can I use this sissy bar 51161-10 or not
Still not clear
Sorry