This group of ball bearing-equipped rollers permit fast performance for the Mini 4WD racer! This unique set features a new design versus previous releases.
Rollers with ball bearings give superior smoothness for lots more efficient rate and possibly quicker lap times!
• 19mm aluminum rollers x2
• Rubber bands x2
• Rollers are fitted with 520-size ball bearings for superior smoothness.
• Screws and spacers included.
• New design compared to previous rollers.
• appropriate for Mini 4WD and Mini 4WD PRO automobiles.
• Note: Some figures might need modification.