The Rampage was designed to be an affordable rim that can withstand what ever aggressive riding can come its way. Extruded from 6061 aluminum, it is thick where it needs to be and thin where it can be to reduce weight. Features: Includes Stolen PVC rim strip Specs: Color Black Defined Color Black Tire Type Clincher ISO Diameter 406 / 20" BMX Wheel Size 20" Valve Standard Schrader Hub Drilling 36 Rim Material Alloy