This optional upper end cup can be mounted on the post to receive the gate in addition to the bottom end cup.
CG-30G
Gate Receiver, 4″ to 6″
Side rollers are an alternative top guide. Useful especially when arched tops or other architectural features do not easily accommodate horizontal U-channels in the design.
Aluminum guide track for side mounted guide rollers. Typically used for gates that have an arched or decorative gate top, protruding pickets, barbed wire, or other top obstructions.