Spitfire Wheels Formula Four Lock In Full White (55mm/99d)
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The Spitfire Wheels Formula Four Lock-In Full White (55mm/99D) is designed for skaters who demand ultimate control and durability. Engineered with Spitfire’s industry-leading Formula Four urethane, these wheels offer exceptional flat-spot resistance, ensuring long-lasting performance even under the most intense sessions.
The Lock-In Full shape is built specifically for skaters looking for enhanced lock-in ability on grinds and slides. With a wider riding surface and an asymmetrical design—one side featuring a conical cut and the other a straight edge—these wheels provide maximum control on rails, ledges, and coping. This innovative shape locks into grinds better than standard wheels, giving skaters an edge in technical precision.
The 55mm size strikes the perfect balance between stability and maneuverability, making it a solid choice for all-around street and transition skating. The 99D durometer offers a versatile blend of grip and slip, allowing skaters to power through rougher terrain while still maintaining the ability to slide with ease. Whether hitting ledges, bowls, or transitions, these wheels deliver the high-speed performance and predictable slide control that serious skaters need.
Spitfire has been a dominant force in skateboarding since 1987, known for producing some of the most trusted wheels in the industry. Their Formula Four urethane has set the gold standard for skateboard wheels, offering superior rebound, responsiveness, and long-term durability. With their iconic flame logo and commitment to quality, Spitfire remains the top choice for professional and everyday skaters worldwide.
The Spitfire Formula Four Lock-In Full White (55mm/99D) provides next-level grind control, long-lasting durability, and reliable speed, making it a must-have for skaters looking to push their limits with confidence.
Stix SGV has proudly served the San Gabriel Valley skateboarding community since the late ‘90s. With three locations across Los Angeles County, we’ve been deeply rooted in the local scene. Our Monrovia shop has been a staple since 1997, followed by our Claremont location in 2014, and our South Pasadena shop opening its doors in 2022. Our mission has always been simple: to uphold skateboarding culture and stay true to our community.