This carefully curated premium wheels and bearings combo delivers Spitfire Formula 4 Classics Wheels and Bronson Pro G3 Bearings! SPITFIRE WHEELS: Formula Four Performance Urethane lasts longer, withstands more abuse and performs superior to all other wheels. Designed to combine all the desired properties of a performance wheel without sacrificing any one attribute at the expense of another. Manufactured using a 100% pure urethane compound, with higher rebound for faster speeds over rough and smooth surfaces with a hard durometer for a smoother, faster ride that won't mush out over time. WHEEL SHAPE: The Classic shape has a medium width riding surface with round sidewalls. Designed for control in all situations. BEARINGS: Mason Silva Signature Bronson G3: Featuring pinstripe graphic shields and laser etching for added style and authenticity. BEARING FEATURES: Deep Groove Raceways: Minimize side impact damage and breakage, ensuring durability during your skateboarding adventures. Frictionless Shields: Pop-off resistant, keeping oil in while preventing dirt and moisture from compromising performance. Micro Groove Raceway Surfaces: Enhance bearing lubrication, speed, and spin, providing a smooth and fast ride. Balls Out Technology: Eliminates shield and cage contact on impact, ensuring a consistently fast and reliable ride.