Spitfire F4 Lock-In Wheels - 55mm 99D

The Spitfire F4 Lock-In Wheels in 99D 55mm deliver premium performance using Spitfire’s Formula Four urethane. Designed for skaters who prioritize control and stability, these wheels are built to handle demanding street and park skating.

The Lock-In shape features a wider riding surface with a straight edge profile that improves grind lock-in and stability during technical tricks. Spitfire’s Formula Four urethane provides excellent flatspot resistance and long-lasting performance.

With a 99D durometer, these wheels offer a fast and responsive ride suited for smooth surfaces and technical skating. The 55mm diameter provides consistent roll speed while maintaining control for street sessions and park lines.