Tipyoumall Upgraded Bicycle Engine Kit, 2 Stroke Motorized Bike Engine Motor Kit 100cc Super Fuel-efficient Fit Modified Full Set for 26"-28" Bikes

【44 Tooth Bicycle Engine Kit】100cc motorized bicycle kit. Perfect for upgrading from a regular bike to an electric bike, you can enjoy a faster ride. Using this set of bicycle engine kits, you can transform the bicycle to your liking. Sproket :36 Tooth 【Super Fuel-Efficientt】150 miles per gallon, very energy efficient and economical. Engine requires 8oz 2 St...