ace trucks af1 inverted baseplates fits all ace hangers*These fit all Ace Trucks hangers* We've been impatiently waiting for Ace Trucks new revolutionary inverted kingpin system, but now it's finally here! The most technical and performance driven truck on the market. The patented Click Lock Pro locking system tackles the problem of precision tuning on an inverted kingpin truck. These are engineered for maximum durabilty and guarantee the lowest grind clearance of any kingpin on the marker. The innovative