footrest $89.00 highly recommended for ultimate comfort. black ABS plastic, height-adjustable; rocks or locks in position.	leg-mounted CPU holder for exo/XO2 $89.00 adjusts to 10"W. charcoal grey. retrofittable. mounts on either leg, inside or outside.
mobile CPU holder $89.00 put your cpu on wheels and keep it off the floor. expands from 3.5" to 8.5" wide. durable steel construction. Use with all electric versions except Level 3 or Personal desks.	wire-management spine $89.00 designed to casually hang down from under your desk. comes with 2" "U" clips for mounting under your desk. 39" in length, charcoal grey.
heavy-duty locking casters $89.00 per set 3" diameter. fits all models except exo and electric maxo/multi/pro desks. retrofittable.	adjustable keyboard surface $210.00 6" height-adjustability, positive and negative tilt option, articulating and fully retractable. charcoal grey.