Tracker 184mm Dart Single Skateboard Truck 2011: Taking its design and turn angle from the legendary Tracker’s of the late 1970’s, the Tracker 184mm Dart Single Skateboard Truck has been described as more of a surf feel. Intended for old school boards, extra wide pool boards, longboards, and carving boards, the Tracker Dart is stable at high speeds and aerial re-entry making it smooth and predictable. So, whether you’re skating a backyard pools, carving, or filming, the Tracker Dart is a predictable, stable truck you can trust.