LIANGXUEKEER New Model Spring Loaded Chain Tensioner Kit for 49cc 50cc 66cc 80cc 2 Stroke Engine Gas Motorized Bicycle Bike Silver with Iron Wheel

GUCIDDAK New Model Spring Loaded Chain Tensioner Kit for 49cc 50cc 66cc 80cc 2 Stroke Engine Gas Motorized Bicycle Bike Silver with Iron Wheel

CNCMOTOK 415H-110L Chain For 49cc 60cc 66cc 80cc 2-Stroke Engine Motor Motorized Bicycle Bike Heavy Duty Chain High Power Racing Parts

JRL 32mm-40mm Black Offset Intake Manifold and Gasket for 49cc 66cc 80cc Motorized Bike Motorised Bicycle (Black)