Spitfire Wheels Durao Formula Four Lockins 54mm 99a
I lager.
749 kr
Spitfire Wheels Formula Four Lock-Ins 54mm 99a is built for skaters who want maximum control in technical street skating without losing the classic Formula Four speed and slide. The Lock-Ins shape is designed to feel more precise and “locked in” during grinds and when setting up on ledges, while the 54mm size keeps your setup responsive and quick. Finished with Formula Four urethane, you get strong flatspot resistance, smooth anti-stick slides, and consistent performance across all terrains.
Technical specs
Brand: Spitfire Wheels
Model / series: Formula Four
Wheel shape: Lock-Ins
Diameter: 54 mm
Durometer (hardness): 99a
Urethane features: high abrasion resistance, unmatched flatspot resistance, smooth anti-stick slide, high rebound compound
Use: all terrains
Pack size: 4 wheels
Key benefits
Lock-Ins shape for extra grind control and a more precise street feel
54mm diameter keeps your board agile for flip tricks and ledge tech
99a hardness delivers speed and responsiveness on street and park
Formula Four urethane for top-tier durability and long-lasting consistency
Smooth anti-stick slide for predictable control without sudden hook-ups
Performance & ride feel
These wheels feel fast and controlled, but with an added sense of precision thanks to the Lock-Ins profile. They keep speed well, release into slides smoothly, and stay consistent through heavy sessions. If your skating focuses on ledges, rails, and technical street lines, this shape gives you a stable, confident platform — without sacrificing the Formula Four pop and speed.
Quick acceleration with a responsive 54mm size
Controlled, predictable slide characteristics
Strong durability for rough street spots
Great grind stability and “locked-in” feel on ledges
Reliable all-terrain performance for daily setups
