13mm Aluminum Ball-Race Rollers have excellent durability as they are built with 520 ball bearings for smooth rotation. Besides, these rollers encounter less friction against Mini 4WD course walls and can be utilized for both front side and rear roller setups. This popular Grade-Up Part comes for sale in special limited-edition red color used to dress up your Mini 4WD device.
• 13mm Aluminum Ball-Race Rollers (Ringless/ Red) x2
• integrated 520 ball bearings ensure superior smoothness of rotation, for minimal time loss.
• Screws and tiny parts for accessory included.
• appropriate for Mini 4WD and Mini 4WD PRO cars setup for use with 13mm rollers.
