Gear Belakang Vega ZR 428 38T 39T 40T 42T 43T 45T 15T Gigi Tarik 428-39T 428-40T 428-15T 428-38T 428-42T 428-43T 428-45T Rantai Roda Chain Kit Chainkit Sprocket Gear Gearset Gir Jupiter MX Wheel Yamaha Asli Original YGP R New 38 39 40 42 43 45 15 T Mata