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!
Features:
- 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 modification.
