The Spitfire Formula Four 99D Lock-In Full 57mm wheels are designed for skaters looking for maximum performance, control, and durability in their sessions. Made with Spitfire's renowned Formula Four urethane, they offer an excellent balance of speed, grip, and wear resistance.
Their 99D hardness provides a fast, responsive feel, ideal for street and skatepark. Formula Four technology stands out for its resistance to flatspotting and for maintaining consistent performance even after intensive sessions.
The Lock-In Full profile features a wider shape and a specific inner lip design that makes it easier to lock into grinds, offering greater stability and control over obstacles. Its Full construction provides a larger contact surface, adding confidence on landings and a solid feel underfoot.
With a 57 mm diameter, they are an excellent choice for those looking for speed, stability, and versatile performance on different terrain.
