Thunder Truck claims to make the lightest-weight truck line, as of 2015. In addition to being lightweight, Thunder Truck has the quickest-turning trucks, reports About.com. Phantom is another company that makes lightweight trucks.
The Thunder Truck team includes a huge list of professional skateboarders such as Jamie Thomas, Mark Appleyard and Billy Marks. Examples of Thunder Truck lightweight truck lines are the Titanium Lights and Hollow Lights.
As for Phantom trucks, in addition to being lightweight, the Phantom 2 have a low profile and smooth edges for grinding. Phantom trucks feature built-in shock pads, as of 2015. These help reduce stress on the board.