Upon greasing the center front axle zerk, underside center between the front wheels it appears the the 2 sections expanded away from each other like the grease filled a void or boot.

More info The grease point is where a left and right wheel frame part meets and looks like 2 short tubes stacked on top each other. On the side on the tube is the frame that goes out to the wheel. This combined tube is horizontal to the ground and runs front to back. When I greased it it appeared that the circular surface where they touch separated as it was filled with grease. Not seeing any grease I am assuming there is a boot inside.

Normal? My follow up will be having grease come out on the ground one day but that is for later.