These are orange versions of the low-friction plastic bearings first sold in Item 15523, which help make sure that your Mini 4WD car runs as near to maximum efficiency as possible.
• Low-Friction 620 Plastic Bearings x5
• Low-Friction 520 Plastic Bearings x2
• 620 size parts are for use on hex shaft axles, while 520 size components are for use in Mini 4WD PRO car counter gears.
• Compatible with Mini 4WD and Mini 4WD PRO cars.
