They're artificial rollers you can make use of the rear roller setup. Double rollers are suitable to setups for newbies specifically, since they're very easy to fit, offer smooth, stable cornering, and help stop your automobile from bouncing on the program wall area due to the utmost effective rollers.
• Rollers are molded in low-friction POM synthetic (black).
• Attachment of Item 94752 (520 ball bearings) and 94768 (Bearing Roller Spacer) provide more superior functionality.
• 13mm (top and base) Double Rollers x2
• Screws and steel elements included.
• ideal for the MA, VZ, and AR framework automobiles. Some numbers may necessitate modification.