The all-new Ace AF1 features game-changing performance without deviating from Ace's original Ace geometry. The AF1 is carefully manufactured using their 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 updated the sizing on the 44 thru 77 models for a better fit across multiple board widths.