After asking on the telerik forums I finally came down to the this answer
element.mousedown().mouseup() //Trigger events for Chrome, Firefox and IE9
.trigger(jQuery.Event("MSPointerDown", { originalEvent: {} })).trigger(jQuery.Event("MSPointerUp", { originalEvent: {} })) //Trigger event for IE10
.trigger(jQuery.Event("pointerdown", { originalEvent: {} })).trigger(jQuery.Event("pointerup", { originalEvent: {} })); //Trigger event for IE11
Apparently it listens for the mousedown() mouseup() events. And then after seeing it didnt' work for IE10 and 11 I needed to use another way of triggering mousedown()/mouseup()