The all-new ACE AF1 features game-changing performance without deviating from their original Ace geometry. The AF1 is carefully manufactured using a proprietary casting process. Years in development, the ACE AF1 has a 70% increase in the aluminum’s structural integrity, making it the strongest cast truck on the market. They have updated the sizing on the 44 thru 77 models for a better fit across multiple board widths. Trucks sold individually. Order two for a set. The Details * Axle width: 8.5” (215mm) * Hanger width: 5.8” (149mm) * Truck height: 2.1” (53mm) * Fits boards: 8.3” - 8.75” * 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 smooth as silk response. * Refined bushing and cup washer shapes for a cleaner turn. * Machine-faced hanger ends for precise bearing contact. * Product code ACE-AF1-55 Delivery Ace Trucks AF1 55 Skateboard Truck (Polished)