Description: This Is our 100CC 2-Stroke Bicycle Cycle Gasoline Engine Motor Bike, Which Is Ideal for motorized bicycle. Advantages: using high-quality wear-resistant iron sleeve cylinder. The use of enlarged cylinder head makes the machine have the effect of high speed, good heat dissipation and low vibration. The bicycle gasoline engine can greatly get the bicycle speed up to 60km/h, and it will surely be your excellent helper. It fit most bikes only if the diameter of the fork is within 31mm.This bike motor kit comes with everything that you will need, except gas and oil. You will be able to stop or start the engine as you ride.