Ideal for mounting in the fairing, cowling or tail piece. Attachment is a large plastic nut on the back side of the threaded stem. 12v-single filament 2wire. Sold in pairs.
Mini-1/1/2" x 1 1/4"
Small 2 1/2" x 1 9/16"
Medium 2 3/4" x 1 7/8"
Large 4" x 2". All require a 7/8" diameter hole.