JR HG Aluminum Ball - Race Rollers (2)

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These are tapered versions of the smooth-spinning ball bearing rollers from Item 15464 JR HG Alum Ball-Race Rollers 19mm (Ringless). Tapering them 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 x2Purple anodized finish.Built-in 520 ball bearings.Screws and spacers for use in attachment included.Compatible with Mini 4WD PRO and Mini 4WD cars. Some bodies may require modification. Show more