Formula Four's exclusive combination of High Rebound and Hard Duro produces a faster wheel everywhere

contrast rib collar

Medium bushing

faster acceleration

Riding surface: 23mm

Ace AF1 77 Skateboard Trucks 9.5" deck_9.13" Formula Four's exclusive combination ofAce AF1 77 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