Colored Rotor Wave '12' Weight OD-120L 120mm/4" 66g OD-140L 140mm/5" 86g OD-160L 160mm/6" 104g OD-180L 180mm/7" 134g OD-203L 203mm/8" 172g Finish Red(RD) / Black (BK) / Royal-Blue(RB) Green(GN)Gold(GD) / Grinding(GR)