Ace AF1 80 Polished skateboard trucks. 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. Axle width: 10” (254mm). Hanger width: 7.4” (188mm). Truck height: 2.1” (53mm). Fits boards: 9.75" and above. Weight: 15.593 oz (434g).