Ultra high rebound urethane formula. Sets of bushings and washers.
Replace your stock truck bushings for your preferred performance. Hardness is measured in durometer, with the softest bushing being 88A, going up to the hardest bushing, 94A.Soft - Easier turns, big carvingHard - Stiffer turns, great for larger / heavier riders to prevent wheel biteMedium - In - between. A great place to start if you don't have a preference.