Devils Backbone Mountain Cross Bike Ride at Devils Backbone Brewing Company. 10AM. A unique cycling experience that will start and finish at the Devils Backbone Brewing Company in Nelson County Virginia. The classic DMBX gravel grinder ride in the remote and scenic Blue Ridge Mountains of Nelson County Virginia. You will follow mountain streams to high ascents and plunge down descents for miles and miles! Any bike will do. Half of the roads are unpaved and there will be lots of climbing so bring some robust tires and low gears. Pick your ride: 63 or 35 miles. Crossroads of Route 151 and Route 664.434-361-1001.