Attached to the truck - rolling devices which are usually made of urethane. In addition to the standard wheels, there are now those which have a nylon or high-tech plastic on the interior part of the wheel.
Wipeout
A crash.
Wood core
Various type of wood used to provide the shape and thickness of a board.
Zonk
Hit the wall...
EXPN Mail
Free e-mail from your friends at EXPN.com.
Athlete Bios
The who's who of X Games competition.