Oh Hardline.

OJ Hardline 99A 54mm wheels are street skateboard wheels with a hardness of 99A and a diameter of 54mm, designed for fast, precise and responsive riding. The hardline shape and hard urethane allow for stable tricks, good grip and durability, making them a great choice for park and street skating. Height: 54 mm Contact patch: 23.8 mm Width: 34.6 mm Durometer: 99A Conical shape Special OJ Hardline shape for every skate park terrain Wider riding surface, increased flatspot resistance and good slide control Wide profile for more traction and stability at high speed