NOTE: Sold only as a set of two (2) trucks.The all-new 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 cast truck on the market.The Ace AF1, tomorrow’s technology today!Axle width: 8.25” (209mm) Hanger width: 5.6” (143mm) Truck height: 2.1” (53mm) Fits boards: 8.25” - 8.5” Weight: 13.9 oz. 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 smooth as silk response. Refined bushing and cup washer shapes for a cleaner turn. Machine-faced hanger ends for precise bearing contact. See full Ace Size Chart for more technical information on all models