This might be a limited-edition Mini 4WD rushing roller set that commemorates Japan Cup 2020. These lightweight yet tough rollers have really in fact integrated 520 ball bearings for smooth motion, and will be utilized for both front component and right back roller setups. The components have in fact really an anodized black finish with unique lettering/logo!
• 19mm Aluminum Ball-Race Rollers x2
• Screws for accessory included.
• ideal for all Mini 4WD and Mini 4WD expert automobiles. (understand that some figures may need modification.