What is the rear rim size of a 2004 Suzuki Volusia 800?

I have a bent rear rim on my 2004 Suzuki Volusia 800 motorcycle. Im not so sure if its completely bent or if the fact that some of the spokes popped out is making it jerk while riding. But either way, I'm not risking riding it. I was wondering if anyone can tell me the rear rim size is and how I may go about getting a rim? Need help its getting nice out!|||check the sidewall of the tire it's printed there|||http://www.bikebandit.com/oem-parts