They're white variations associated with the dedicated-on-road race truck wheels which have formerly been released as plated and black colored plastic parts. Use them as they are, or paint them in a color that fits your Semi-Racing-Truck livery!
• On Road Racing Truck Front Wheels x2
• On path Racing Truck Rear Wheels x2
• Wheel width/diameter is 25mm/42mm front and backside.
• Wheels are molded in white ABS synthetic. Rims function depictions of bolts.
• suitable for TT-01, TT-01 Type-E and TT-02 framework models.
• utilize with Item 51589 On Road Racing Truck Tires (2pcs.).