Don’t sacrifice vital fractions of time on the race track. Make sure that your Mini 4WD car runs as near to maximum efficiency as possible with the low-friction plastic bearings included in this option parts set kit.
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.