TC-Motor 420 17mm 17 Tooth Front 17T Chain Sprocket Gear For 50cc 70cc 90cc 110cc 125cc 140cc 150cc 160cc Engine ATV Quad Pit Dirt Trail Bike Fits:420 17mm 17 Tooth Front Chain Sprocket Gear For 50cc 70cc 90cc 110cc 125cc 140cc 150cc 160cc Engine ATV Quad Pit Dirt Trail Bike Guaranteed Good Quality,Made From the Highest Quality Materials Available Always Responsible Customer Service Product Shipped From China Arrival Within 7-15 Business Days