Odyssey Quardrant BMX RimOdyssey Quadrant Rim Anodized Black The Quadrant rim uses a unique pinned junction design that allows Odyssey's lightest rim to also be our most affordable. With its offset spoke drilling, this rim is both strong and light. The Quadrant is one of the few pinned rims that receives regular and unquestioned use by pro level riders. Features Lightweight and affordable Unique pinned junction Directional spoke hole drilling U. S. Patent 7,427,112 Specs