Grey, Magneto-Motor-Special Starting Motor for Three Wheels-Special Transmission Ratio M2 for Three Wheels+Pipe Field Mute System+Cast Iron 4-Hole Triangle+Lido Needle Roller+Xiema+5 Groups of 6-Piece Carbon Fiber Clutch+Embedded Steel Sheet+Double PVD Ring+Centrifugal Boron Cast Iron Cylinder, Including Carburetor Intake Pipe, Variable Speed Pedal, Starting Arm, Four Electrical Components, Kunfu Carburetor