Sabbath Wheels | Rocker | 53mm OG Slim | Devil's Formula Wheel | 99a | White/RedOG 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!99A Duro: Slides on command and grip surfaces when required. The perfect all rounder with intuitive control, able to handle rough and smooth surfaces alike.