ace77Ace AF1 Skateboard Trucks the most technical truck every made. Stongest Cast Truck Ever Made, Faced Hangers, Laser Etched Sizing on Axle, Re-Threading Axle Nuts, Upgraded PivotIntroducing the game-changing AF1 Hollows by Ace Trucks. Hollow axles and kingpins, orinal Ace geometry. Strongest cast truck on the market with 70% increased structural integrity.