These lightweight yet tough 19mm aluminum rollers function integral 520 ball bearings to provide your Mini 4WD machine with smooth movement. Also, they could be useful for both front side and back roller setups. The parts have an anodized blue finish for an awesome look!
• 19mm Aluminum Ball-Race Roller x2
• Attachment screws included.
• appropriate for all Mini 4WD and Mini 4WD PRO vehicles.