Geez, I just embarked on a whole fork replacement, felt like mine were bottoming. In fact, I still think one was as the feeling was more pronounced to one side...it was the other side that was spilling fork oil after a dealership fork reseal though.
Anyway, great suggestion to rule out the tree.
2006 Vingpin, Inverted forks, Progressive rear shock, Stage 1 slip-on kit, S+S intake, grips and pegs, tach and rack, corbin saddle, night dragons. KMC reflashed/retuned to 100HP/104 TQ, good'nuff.
2014 BMW 650i Xdrive
2005 Grand Cherokee Ltd 5.7L Hemi, Konis, SRT swaybars, BB
1986 Porsche 928S, slightly enhanced.