Latest 4G design T belt drive transmission installation Kit for 49cc Huasheng 4 stroke engine, Bike supplied seperately.

Use a 49cc Huasheng Engine to motorize a bicycle.     Centrifugal clutch operation; 

HuaSheng Engines are even available with 7A 12V generators for lights and turn signls!    

Install engine in a few hours and them go 0 to 30 in 6 seconds!!!!

4 cycle operation:   No gas / oil mix!  Depending on sprocket ratio speeds up to 45Km.

Silent T Belt drive transmission:  No oil;  No noise;  No muss;  No fuss; 

Get over 100 miles per gallon.

V-Frame mount:   gas tank,   all controls,  chain & sprocket included in kit;

We supply the complete installation kit and you or the end user supply the bike & engine;  

Makes 2 cycle bike engines a thing of the past!   Ref. our web site for more info. 

If you are a WD distributor in the motorized bike business we want to talk with you!

4G Installation kits are made by China GAS in our own factory.   US patent pending; 

Check out our web site; Send us your profile and business plan to receive our exclusive distribution consideration for your state or country.

4G Kit to make a Motorized bike