spitfire bighead 57mm

These are skate wheels manufactured by Spitfire Wheels. The "Bighead" designation refers to a specific shape and graphic offered by the brand. The "57mm" indicates the diameter of the wheel. This diameter is generally considered mid-range, suitable for a variety of skateboarding disciplines including street and park skating. The size provides a balance between acceleration and top speed, with a moderate level of stability.

The construction of these wheels adheres to standard industry practices for urethane skateboard wheels. The material composition is designed to offer a durable riding surface with consistent rebound characteristics. Specific durometer (hardness) and urethane formulas are not provided in the product name and would require reference to the manufacturer's detailed product specifications. The core construction method and internal bearing seat dimensions are also not specified by the product name alone.

As specialized skateboarding equipment, these wheels are intended for use on a skateboard, requiring standard skateboard bearings (not included). Their application is primarily for riding on various paved surfaces encountered in skateboarding. The "Bighead" model is a recognizable design element within the Spitfire Wheels product line, typically associated with their reputation for producing reliable skateboard wheels.