These rollers are a large-diameter version of Item 15529 (13mm Double Rollers). Double rollers are suitable in setups for beginners in particular, as they are simple to fit, provide smooth, stable cornering, and help prevent your car from bouncing over the course wall thanks to the top rollers. Also, these large-diameter rollers help the car get over course joint sections.
• 19mm (top and bottom) Double Rollers x2
• Rollers are molded in low-friction POM plastic (blue).
• Attachment of Item 94752 (520 Ball Bearings) and 94768 (Bearing Roller Spacer) provide superior functionality.
• Screws and metal parts also included.
• Compatible with MA, VZ, and AR chassis cars. Some bodies may require modification.