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" (203mm) Hanger width: 5.4" (137mm) Truck height: 1.93" (49mm) Fits boards: 8" - 8.25" Weight: 12.716 oz. (361g) 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