Formula Four Lock-Ins 57mm 99D White Skateboard Wheels from Spitfire.
Spitfire’s Formula Four urethane design.
Spitfire’s Lock-In wheel shape and hard polyurethane core for a true bearing seating and lock-in for grinds.
Unmatched flat spot resistance.
Includes 4 urethane wheels.
99D durometer rating.
Made in the USA.
Show us your style! Use #zumiez and tag @zumiez on your Instagram for a chance to be featured.