Replacement urethane pivot inserts. For use on standard and junior plates. Most common are ROCK and Probe plates, as well as Jr. Pro plate. White Delrin insert used for Avenger and white Avanti.
Junior - Junior insert (fits Jr.Pro Nylon & Jr. Pro Aluminum plates). Grey
Black - Standard (Probe, Rock, Super X, Competitor, Century, Century NTS, Cyclone, Cyclone NTS, XK4, Avanti Aluminum)
White - Delrin insert for use only on DA45 trucks with Avenger plates & Avanti Magnesium plates
These are sold individually, add four for a complete set for one pair of skates.