Originally Posted by
Helldorado
The trails I ride on are mostly small ball-bearings. Usually stainless steel. Let me tell you, it's not easy to ride on that stuff, but I'm pretty skilled and have not fallen once. And I ride fast, usually 20 m/h or faster when descending. My skills are good.
Up around Flagstaff, AZ they used to sand the road with cinders, pretty much like BBs, but better at shredding your skin