Spitfire Wheels F4 OG Classic 53mm 99a fb8587-072 Ndurance outsole and a layered

Ndurance outsole and a layered upper are complemented by exaggerated N branding

Conical Full Shape - Wider version of the conical shape

Dimensions: 14 L x 14 W x 5 D inches

Fill: 100% polyester

What they came up with is a low-profile vulcanized style with a rubber-backed suede upper with butted seams that deliver increased durability and reduced friction

Spitfire Wheels F4 OG Classic 53mm 99a fb8587-072 Ndurance outsole and a layeredSpitfire Wheels F4 OG Classic 53mm 99a 99a Durometer More speed and control on all surfaces. Unmatched flatspot resistance. Smooth, anti stick ride. High rebound compound. Formula Four Urethane Formula Four urethane is unlike any other. Unbeatable lasting performance Spitfire urethane. Fast as hell. Long lasting, abrasion resistance, smooth anti slick slide with a controllable grip, guaranteed*. High Rebound Compound SIZE WIDTH RIDING SURFACE 51MM 31.