Amazon.com: Ambienceo Hydraulic 80cc Bicycle Engine Kit Motorized Bike Single Cylinder Air-cooled 2-Stroke Petrol Gas Bicycle Motor Kit Fits for 26" or 28' Wheeled Bikes with V-frame(Sliver) : Automotive
80CC Bicycle Engine Kit, Motorized Upgrade Bike 2-Stroke Conversion Kit, Petrol Gas Engine Bicycle Motor Kit Set for 24", 26", 28" Bikes (Black) - Walmart.com
Amazon.com : RibasuBB 80cc Bicycle Motor Kit, 2 Stroke Gas Bike Engine Kit with LCD Bike Wired Computer & Hydraulic Handle, Petrol Gas Motor Motorized Bike Kit for 26" 28" V Frame