The smoothest, most pleasant and durable wheel formula you can get your hands on. Pure butter! Our high-performance Butter Formula contains a secret ingredient, which is used in the exact proportions to give the wheel an unbeatable quality and finish, with special resistance to flat spots and Super High Rebound. This formula is offered in two different durometers. Duromater 101A for technical street skateboarding. With the Butter formula wheels you’ll get speed and acceleration when you most need it. You will also get used to their control and grip
