Ace AF1 Hollow Trucks The Ace AF1 Hollow Trucks deliver lightweight performance, precise turning, and exceptional durability without sacrificing the classic Ace feel riders love. Featuring hollow axles and kingpins to reduce weight, the AF1 is built using Ace&&';;s proprietary casting process and premium materials for increased strength and responsiveness. With a 70% improvement in structural integrity over previous models, these trucks are designed for smooth carving, predictable turns, and consistent grinding across every style of skateboarding. Details Construction: Proprietary AF1 casting process for increased strength and durability Weight Reduction: Hollow axles and hollow kingpins Material: Premium AA 356.2 aluminum alloy construction Heat Treatment: True T6 heat-treated hangers and baseplates Axles: Oversized SAE 4140 steel alloy axles for improved bearing fit Bushings: Hand-poured 96a urethane pivot bushings for smooth response Design: Refined bushing and washer geometry for cleaner turning Features: Patent-pending rethreading axle nuts help prevent damaged axle ends Performance: Built for precision turning, smooth flow, and consistent grinding