Guys, just took the Rincon out for a ride and it's developed a grinding noise when coming to a complete stop when using the rear brakes. Problem is, I don't think it's the rear brake. Sounds more like the rear drive shaft, but it's hard to tell. It only does it right before coming to a complete stop. Not at speed. Any ideas what to look for. As far as I can tell, the rear brake pads and disk are fine. 433 miles so far.