Odyssey's Boyd Hilder signature sprocket has a straight-forward five spoke directional design with clean and simple looks.CNC crafted with 7075 aluminumFang inspired dome shape profile with 8mm thickness and 1/8" teeth24mm axle diameter with adaptors for 19mm and 22mm spindlesProduct SpecificsBore: 24mmChain Width: 1/8"Defined Color: BlackInterface: Bolt DriveMaterial: 7075 AluminumThickness: 8mmTooth Count: 30keyword search: Boyd Sprocket