Key Features

Durable & Sturdy: The aluminum engine shell, iron fuel tank with baking paint, a 415# steel chain with rust prevention shot blasting process, and a rubber and nylon belt offer corrosion-resistance and wear-resistance, achieving a max bearing capacity of 440 pounds and ensuring superior performance and a longer lifespan.

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.

Large Fuel Tank: It measures 11.41*5.9*6.29 inches with a large capacity of 0.52 gallons, allowing it to work for a long time. You don't need to fill the tank frequently, which is very convenient.    

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.

Quiet Operation: 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.

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

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!

Effective Cooling System: 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.

Details

Comfortable 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.

Application

This product is suitable for mountain bikes, road bikes, gravel bikes, beach bikes and so on with large triangular empty frames.

Specifications

Color: Black, Silver

Type: Single Cylinder, 4-stroke, Air-cooling

Material: Aluminum, Iron, #415 Steel, Rubber, Nylon

Surface Treatment: Baking Paint, Rust Prevention Shot Blasting

Assembly Required: Yes

Starter System: Hand Start

Number of Teeth: 44

Ignition Mode: CDI

Max Torque: 4.5N-m

Bore Stroke: 56*40mm/2.2*1.57inch

Displacement: 100CC

Horsepower: 3.5HP

Max Power: 2kw/h

Max Rotating Speed: 3600rpm

Max Speed: 50km/h

Compression Ratio: 7:1

Fuel Tank Capacity: 2L/0.52 Gallons

Fuel Consumption: 2.5L/0.66 Gallons/100KM

Lubricant Capacity: 0.6L/0.15 Gallons

Gasoline Type: 92#, 95#

Max Load Bearing Capacity: 200kg/440lbs

Noise: About 75 decibels

Gross Weight: 21.05kg/46.4lbs    

Net Weight: 18.75kg/41.33lbs       

Chain Cover: 40*7.5cm/15.74*2.95in   

Fuel Tank Size: 29*15*16cm/11.41*5.9*6.29in     

Gear Diameter: 18cm/7.08in      

Diameter of Bicycle Teeth Disc: 18cm/7.08in      

Engine Size: 38*29*23.5cm/14.96*11.41*9.25in         

Package Size: 73.5*35*28cm/28.93*13.77*11.02in   

Package Included

1*Bicycle Engine Kit

1*English Manual

All Accessories for Assembly

Notes

• Please carefully read the manual and strictly follow the precautions to have a better experience.
• Please note that professional installation is recommended.
• Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you order.