Check with the local dealers in your area. Should be able to get one for $20 or so. I picked up a couple from my local dealer because they are closing their doors and getting rid of everything.
2010 Vulcan Voyager 1700 ABS, 2007 Vulcan Mean Streak 1600
2012 Concours 1400, 2011 Versys 650, 2012 KLX250S
see my garage for list of accessories