These lightweight yet tough 19mm aluminum rollers function built-in 520 ball bearings to provide your Mini 4WD machine with smooth motion. Also, they may be used for both front side and rear roller setups. The parts have actually an anodized blue finish for a cool look!
• 19mm Aluminum Ball-Race Roller x2
• Attachment screws included.
• appropriate for all Mini 4WD and Mini 4WD PRO automobiles.
