100cc Bicycle Engine Kit, 3.5HP 4 Stroke Gas Motorized Motor Bike Air-Cooling Bicycle Motor Kit Single-Cylinder Motorized Motor Bike Modified Engine Torque 4.5N-m Speed 3600rpm 44 Teeth

DetailsComfortable Handle: The ergonomic T-shaped start handle provides a point of application of force for easy and comfortable starting.Chain Cover: It's made of high-quality iron and can protect you from getting hurt.Pulling Rope: The pulling rope is made of nylon, which is more wear-resistant and durable.Engine Switch: The red engine switch helps you easily turn the engine on or off when in use or not.ApplicationThis product is suitable for mountain bikes, road bikes, gravel bikes, beach bikes and so on with large triangular empty frames.SpecificationsColor: Black, SilverType: Single Cylinder, 4-stroke, Air-coolingMaterial: Aluminum, Iron, #415 Steel, Rubber, NylonSurface Treatment: Baking Paint, Rust Prevention Shot BlastingAssembly Required: YesStarter System: Hand StartNumber of Teeth: 44Ignition Mode: CDIMax Torque: 4.5N-mBore Stroke: 56*40mm/2.2*1.57inchDisplacement: 100CCHorsepower: 3.5HPMax Power: 2kw/hMax Rotating Speed: 3600rpmMax Speed: 50km/hCompression Ratio: 7:1Fuel Tank Capacity: 2L/0.52 GallonsFuel Consumption: 2.5L/0.66 Gallons/100KMLubricant Capacity: 0.6L/0.15 GallonsGasoline Type: 92#, 95#Max Load Bearing Capacity: 200kg/440lbsNoise: About 75 decibelsGross Weight: 21.05kg/46.4lbsNet Weight: 18.75kg/41.33lbsChain Cover: 40*7.5cm/15.74*2.95inFuel Tank Size: 29*15*16cm/11.41*5.9*6.29inGear Diameter: 18cm/7.08inDiameter of Bicycle Teeth Disc: 18cm/7.08inEngine Size: 38*29*23.5cm/14.96*11.41*9.25inPackage Size: 73.5*35*28cm/28.93*13.77*11.02inPackage Included1*Bicycle Engine Kit1*English Manual

【Strong Power】The engine boasts a robust 3.5HP horsepower, a displacement of 100cc, a max power of 2kw/h, and a max rotating speed of 3600RPM, which provides you with strong power and accelerates your bike to a max speed of 50km/h.

【Complete Kit】Our package includes all the parts to convert your bicycle into the electric one, meeting your needs with just one purchase!

【Low Fuel Consumption】The overhead valve is used, which effectively helps reduce carbon buildup and dramatically improves fuel savings. The air filter also improves air filtration performance and reduces wear, achieving a fuel consumption of around 0.66 gallons/100km and saving much money on fuel costs.

【Economically Friendly】You can enjoy the speed and passion comparable to motorcycles at a lower price! This four-stroke engine kit is more suitable for people with lower budgets or only short-term needs for motorcycles, allowing you to enjoy faster riding speed and a more exciting life!

【Quiet Operation&Effective Cooling System】This bicycle engine kit only has slight noise (about 75dB) and vibration when used. You can use it in most outdoor environments without worrying about noise disturbance. By adopting an air cooling system, the temperature of the engine can be quickly reduced, effectively preventing overheating and ensuring smooth and long-lasting riding.