These lightweight yet tough 19mm aluminum rollers function integrated 520 ball bearings to give your Mini 4WD machine with smooth motion. Additionally, they may be useful for both front and rear roller setups. The components have an anodized blue finish for a very good appearance!
• 19mm Aluminum Ball-Race Roller x2
• Attachment screws included.
• suitable for all Mini 4WD and Mini 4WD PRO cars.