Ace Trucks Classic. Polished. "Ace Classics are tried and true, with our beloved geometry and industry-first features such as oversized axles and beveled hanger ends, both for better bearing performance. Made using industry standard 7071 alloy and 3056 steel axles, you can trust our Classics to perform in the clutch." 44 (8.35" axle) or 55 (9" axle). Set of 2.