This Aluminum mount is designed to allow you to clamp virtually anything to either 1in or 1-1/8in tubing... Think frames, handlebars, springer rear legs etc. you can bolt this to your frame and run a bolt through to mount your exhaust, or maybe some passenger foot pegs or highway pegs? Used it to mount a rear fender, racing number plate, or maybe saddle bag or licence plate? The options are endless. Comes with one mount unit with hardware.