Ace AF1 Inverted Hollow Truck Set 44 / 8.25 PolishedSold as a set of 2 trucks. Engineered for maximum durability, unrivaled performance, precision tuning and guaranteed lowest grind clearance of any kingpin on the market. At the heart of the design is a patent pending technology providing a more stable anchor point for the kingpin. An innovative hollowed axle system and domed out baseplate make it the strongest and lightest truck Ace ever created. This cutting edge design sets a new standard for the