This may be a limited-edition Mini 4WD rushing roller set that commemorates Japan Cup 2020. These lightweight yet tough rollers have actually integrated 520 ball bearings for smooth movement, and can be utilized for both front side and back roller setups. The components have really an anodized black finish with exclusive lettering/logo!
• 19mm Aluminum Ball-Race Rollers x2
• Screws for accessory included.
• suitable for all Mini 4WD and Mini 4WD professional automobiles. (be aware that some numbers may need modification.