They are artificial rollers you may make use of the rear roller setup. Double rollers are suitable to setups for newbies especially, because they're very easy to match, offer smooth, stable cornering, which help stop your car or truck or vehicle from bouncing regarding system wall surface area due to the very best rollers.
• Rollers are molded in low-friction POM synthetic (black colored).
• accessory of Item 94752 (520 ball bearings) and 94768 (Bearing Roller Spacer) offer more superior functionality.
• 13mm (top and base) Double Rollers x2
• Screws and metal elements included.
• ideal for the MA, VZ, and AR framework vehicles. Some figures may necessitate modification.