NTNMOTOR Rear Hub Disc Brake Rotor Adapter 44mm- 48cc/66/80cc Gas Motorized Bike

CDHPOWER Disc Brake Rotor Adapter 44mm-48cc/50cc/66cc/80cc Gas Motorized Bicycle

Disc Brake Rotor Adapter and 28T sprocket - Motorized Bicycle 48cc/66cc/80cc

Disc Brake Rotor Adapter w/ 28T Sprocket-Gas Motorized Bike 66cc/80cc/PK80/YD100

Disc Brake Rotor Adapter and 28T sprocket - Gas Motorized Bicycle 48cc/66cc/80cc

Disc Brake Rotor Adapter and 36T sprocket - Gas Motorized Bicycle 48cc/66cc/80cc

28 Tooth DISC Sprocket Rebel Made in USA for Gas Motorized Bicycle 48cc/80cc

CDHPOWER Motor Bolts, Studs, Screws, Washers Set of 80cc/PK80-Gas motorized bike