Peel the cucumber, and dice into small pieces.
Spread ¼ of the hummus onto each tortilla.
Arrange 4 slices of turkey onto each tortilla.
Arrange ¼ of the sun dried tomatoes, and a ¼ of the cucumber onto each tortilla.
Start at one end of the tortilla, and tightly roll until you meet the other end.
Wrap the rolled tortillas in plastic wrap.
Refrigerate for 1 hour, or until ready to serve.
Using a serrated knife, cut the tortillas into one inch pieces, discarding (or eating) the ends.
Arrange on a platter to serve.