Spitfire Formula Four Lock-In Full 99D Skateboard Wheels - Black Size:57mm The new 3/4 Back strikes

The new 3/4 Back strikes the prefect balance between all mountain control and freestyle tweakability

They believe they have done just that

long lasting

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Spitfire Formula Four Lock-In Full 99D Skateboard Wheels - Black Size:57mm The new 3/4 Back strikesA wider version of the Lock In shape. Asymmetrical design with conical cut outside for less weight. Straight edge 'Lock In' inside for control on all terrains. ASYMmETRICAL SHAPE CONICAL OUTSIDE FLAT INSIDE FOR LOCKING IN GRINDS MORE SPEED AND CONTROL ON ALL SURFACES UNMATCHED FLATSPOT RESISTANCE SMOOTH ANTI STICK SLIDE HIGH REBOUND COMPOUND 100% TRUE PERFORMANCE URETHANE Set of 4 Wheels