Don’t sacrifice vital fractions of times on battle track. Make sure your Mini 4WD automobile operates since close to maximum effectiveness while you're able with all the current low-friction artificial bearings perhaps many clearly option components set kit.
• Low-Friction 620 vinyl Bearings x5
• Low-Friction 520 plastic Bearings x2
• 620 size elements can be applied to hex shaft axles, while 520 size elements may be used in Mini 4WD PRO vehicle countertop gears.
• appropriate for Mini 4WD and Mini 4WD PRO cars.