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. • Axle width: 8.0"• Hanger width: 5.37"• Truck height: 2.1" (53mm) Classic• Fits boards: 7.75-8.12"• Top Bushing: 12mm tall | 91a hardness• Bottom Bushing: Bottom 14mm tall | 86a hardness• Constructed from pure 7071 series aluminum• Heat-treated 3056 series steel axles Sold as single items, one pair of trucks = 2 units. Ace 33 Classic Skateboard Trucks - Sapphire Blue