Spitfire Wheels Lock-In Full Formula Four 54mm 99a
749 kr
Spitfire Formula Four Lock-Ins 54mm 99a – Precision Lock-In Control and Stable All-Terrain Performance
Brand: Spitfire Wheels
Model / series: Formula Four
Wheel shape: Lock-In Full
Diameter: 54 mm
Width: 38 mm
Riding surface: 25 mm
Durometer (hardness): 99a
Use: all terrains
The Spitfire Formula Four Lock-In Full 54mm 99a is built for skaters who want precision control, consistent slides, and reliable performance across all terrains. Featuring Spitfire’s proven Formula Four urethane, it delivers fast roll speed, smooth slide performance, and long-lasting durability with strong resistance to flatspots.
The Lock-In Full shape features a wider asymmetrical design with a straight “lock-in” edge on the inside and a concave outer cut. The wider riding surface adds stability, while the straight edge delivers secure grind control on ledges and rails.
The 54mm size provides a balanced mix of acceleration and speed, making it ideal for both technical street skating and park use while maintaining enough stability for controlled landings.
99a durometer wheels are built for speed and lasting control across all surfaces. They offer a balanced mix of grip and slide, making them one of the most versatile and widely used durometers for both street and park skating.
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