Sore,
Yes, there is a plastic piece that you buy to mount the Transducer on, then a large ......looks like a host clamp use use on auto is used to go arounf the bottom of the trolling motor. Simply tighten it up until it hold firmly, cable tie and tape the wires to the shaft for neatness.
I think i got my braket for Cabelas.......yes it was cheap like ben said.
Kid