Description: Bones Hardcore Medium Yellow on Black Bushings for better turning, response and improved skating. 91a hardness, Cone on Cone combo for fast turning and response. Unique Hardcore Insert which replaces the need for washers. Double action bushing with high rebound urethane formula.
Best Use: For street, pool, park style skating.
Tuning: Does not require washers.
Application: Standard kingpin trucks. Such as Independent, Thunder, Venture.