LIGHTWEIGHT DOUBLE ALUMINUM ROLLERS (13-12MM GOLD)
These ingenious rollers have differing diameters top and bottom: the 13mm section comes into contact with the course wall on straights, and the 12mm as the car leans through corners. The result is a more stable drive and less tendency to topple over. Crafted in lightweight and durable gold color anodized aluminum. Built-in 520 ball bearings ensure smooth, efficient rotation.