With a square edge and a traditional rounded edge, Spitfire Formula Four 99D Lock-ins Skateboard Wheels are designed to keep you glued to rails, coping, and ledges longer than ever.
Formula Four Urethane -Unmatched abrasion resistance for fewer flat spots. More controllable grip. Lasting speed no matter the terrain. Smooth anti-slick slide and a longer-lasting size and shape
The Formula Four Conical Full skateboard wheels feature Spitfire's performance urethane that lasts longer and withstands more abuse than the competition.
note: image does not display mm sizing
![SPITFIRE SPITFIRE F4 99d Classic Wheels [55mm]](https://cdn.shoplightspeed.com/shops/618749/files/62630005/356x473x2/spitfire-spitfire-f4-99d-classic-wheels-55mm.jpg)
![SPITFIRE SPITFIRE 99D Burners Wheels [54mm]](https://cdn.shoplightspeed.com/shops/618749/files/63200246/356x473x2/spitfire-spitfire-99d-burners-wheels-54mm.jpg)
![SPITFIRE SPITFIRE 99D Burners Wheels [53mm]](https://cdn.shoplightspeed.com/shops/618749/files/63200243/356x473x2/spitfire-spitfire-99d-burners-wheels-53mm.jpg)
![SPITFIRE SPITFIRE F4 99D Conical Wheels Yellow [53mm]](https://cdn.shoplightspeed.com/shops/618749/files/63200236/356x473x2/spitfire-spitfire-f4-99d-conical-wheels-yellow-53m.jpg)
![SPITFIRE SPITFIRE F4 99d Lock-in Wheels [55mm]](https://cdn.shoplightspeed.com/shops/618749/files/63267523/356x473x2/spitfire-spitfire-f4-99d-lock-in-wheels-55mm.jpg)
![SPITFIRE SPITFIRE F4 99d Classic Wheels [53mm]](https://cdn.shoplightspeed.com/shops/618749/files/62630007/356x473x2/spitfire-spitfire-f4-99d-classic-wheels-53mm.jpg)
![SPITFIRE SPITFIRE F4 99d Conical Natural [56mm]](https://cdn.shoplightspeed.com/shops/618749/files/62630004/356x473x2/spitfire-spitfire-f4-99d-conical-natural-56mm.jpg)
![SPITFIRE SPITFIRE F4 99d Conical Wheels [54mm]](https://cdn.shoplightspeed.com/shops/618749/files/63269853/356x473x2/spitfire-spitfire-f4-99d-conical-wheels-54mm.jpg)