The Tracker RaceTrack-S model is stable and has the stability of a a bent angle pivot. It was designed to be used as a rear traction truck to hold a line better and reduce loss of rear grip. RT-S trucks use Tracker's hourglass bottom cushions, a taller top cushion, and a longer kingpin (grade 8 of course) to give you more tuning options and bushing compatibility. The RT-S model is available in 85mm, 106mm, 129mm, 139mm and 149mm, and comes in a polished aluminum finish. 6 hole baseplate pattern, except the FulTrack which is old-school mounting pattern only.

The RaceTrack-X is quick and loose, (that's what she said), with a high roll center and a straight pivot for a sharper turn. The RT-X is designed for front truck use for steering. Features an hourglass bottom cushion and a taller top cushion. Longer grade 8 kingpin for enhanced fine-tuning and bushing compatibility. 6-hole baseplate pattern. The RT-X is available in 106mm, 129mm, 139mm and comes in a polished aluminum finish.