If you ride solo a lot and want a rack to mount your trunk forward 2-1/4” nearer the Center of mass, but occasionally want the trunk in the normal position, AND want a backrest bracket for later use, this rack might be what you need. The additional pair of holes allow two mounting options, 2-1/4” different and can be changed in seconds.  Also there is a channel welded underneath (For 1/4” X 1-1/4” bar) to accommodate either a Pirates-Lair or Sargent back-rest. In the forward position it works with a backrest and in the rearward position it sits in the stock location. Will clear the stock seat in either location.
Can be ordered with the SW-MOTECH kit ($25) for any MonoKEY trunk.   

Only ONE Available............    $144.00 + $9 shipping.

Price reduction..... I’ll pay shipping in the US.

Will this work with PCA backrest?

PCA uses a long bar to get between their rack and seat. This rack was made for use with a 1.250” X 1/4” steel bar. It sits farther forward in one position and in the other position it is the same as stock, so it probably will work if the bar fits these specs.