The Tracer skate (I-140B) is black with bluish-purple highlights. The bearings are 608ZB. It has two buckles.
Uppers: Roller Derby hard-shell boots with two buckles.
Frames: Plastic frames.
Wheels: 64mm (small) or 72mm (medium) urethane wheels.
Sizes: Adjustable. Small fits 12J – 1 or medium fits 2 – 5.