Use: Elite Mini Race (20 x 1 1/8 or 3/8) Material: 6069 T6 Walls: Double Joint: Sleeved Weight: 280g, 325g Diameter: 451 (20”) , 520 (24”) Drilling: 28, 36 Valve: AV/TCS Sidewall: CNC ERD: 434(20”) , 503 (24”) Colors: Black TCS Tape Width: 22mm