Sabbath Wheels | Rocker | 53mm OG Slim | Devil's Formula Wheel | 101a | Black/YellowOG Slim Shape: A modern classic in wheel shapes, originating in the 90's, it fast became the most popular style in skateboarding. OG Slims have a small surface area and round edged wall, which makes for a faster, lighter and more dynamic wheel.Devil's Formula: A premium wheel formula which has been specially designed for versatility and durability. Street or park, Devil's Formula will perform at its best. Flat spot resistant and fast as fuck!101A Duro: Harder, slicker and faster than all other wheel duros. The 101a will give you extra-long slides and a boost in your speed.