2005 Rock Hard Choppers Bike Run A good time was had by all at the 2005 Rock Hard Choppers bike run. With over 30 bikes on the road, it was also one of the biggest runs in Minnesota. Check out our picture gallery and be sure to watch for the next Rock Hard Choppers Bike Run. Click here for pictures of this run. 2006 Rock Hard Choppers Bike Run A good time was had by all at the 2005 Rock Hard Choppers bike run. With over 30 bikes on the road, it was also one of the biggest runs in Minnesota. Check out our picture gallery and be sure to watch for the next Rock Hard Choppers Bike Run. Click here for pictures of this run. 2007 Rock Hard Choppers Bike Run 3rd Annual Bike Run. Saturday August 25th. Beginning at 11a.m. at O'Brien's in Rice. Click here for pictures of this run.