Price is for 1 Skateboard Truck, add 2 to the cart for a set of Skateboard Trucks (2 Skateboard Trucks) The ACE AF1 features game-changing performance without deviating from our original Ace geometry. The AF1 is carefully manufactured using our proprietary casting process. Years in development, the ACE AF1 has a 70% increase in the aluminum’s structural integrity, making it the strongest and longest lasting cast Skateboard Truck on the market. • Manufactured with high-quality AA 356.2 alloy using our own proprietary casting method• True T6 heat-treated baseplates and hangers• SAE 4140 steel alloy axles, oversized to eliminate bearing wobble.• Patent pending rethreading axle nuts - no more damaged axle ends!• Durable Hand-poured 96a urethane pivot bushings for better response.• Refined suspension for a cleaner turn.• Top Bushing: 12mm tall | 91a hardness• Bottom Bushing: Bottom 14mm tall | 86a hardness• Machine-faced hanger ends for precise bearing contact.• Each Skateboard Truck includes bonus red Axle Re-Theader Die