Triple pocket, machined sidewalls, nickel plated brass eyeletsItem Specifications: Number of Holes, 32, Type, Non-Tubeless, Size, 26", Manufacturer Spec ERD (mm), 548mm, Color, Black, Model Name, CR18, Material, Aluminum, Brake Type, Rim, Width, 18mm, Wheel Depth, 15.5mm, Weight, 440g,.