This is a limited-edition color variation of the 19mm tapered ball-race rollers. Tapering the rollers encourages the car to stay on the course when it mounts the walls, with the aim of raising your race completion rate!
• Tapered Aluminum Ball-Race Rollers (Ringless) x2
• Gold color anodized finish.
• Built-in 520 ball bearings give smooth rotation.
• Screws and spacers for use in attachment included.
• Compatible with Mini 4WD and Mini 4WD PRO cars. Some chassis/bodies may require