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Quick Details

  • Place of Origin: China (Mainland)
  • Brand Name: SkyHawk
  • Model Number: #1 & #2
  • Purpose:: Turns a regular bicycle into a Moped
  • Design;: For Honda GHX50 or HuaSheng engine
  • Exclusive territory: Yes; but must be applied for with application.
  • USA EPA certified: Yes; 40CFR-1054 Factory held COC
  • Engine;: Order HuaSheng engines direct from them.
  • 4G kit: Order installation kit from us China GAS

Packaging & Delivery

Packaging Details: Packed Boxed bulk in container loads or shipped LCL on steel framed pallets.
Delivery Detail: Shipped in 0 days after payment


4G T-Belt drive installation kit for HuaSheng 49cc & 53cc 4 cycle 4 stroke engine.

   Latest design: > 4G T-Belt Drive DIY installation kit: 

    USA Patent Pending:  Ref:  www.grubeeinc.com

   GruBee SkyHawk 4 cycle Engine  INSTALLATION KIT for Bicycle:


   Kit 4G-#1 For HuaSheng 49cc and 53cc engine with centrifugal clutch.


   Kit 4G-#2 For Honda 50cc engine with standard 5/8" straight shaft PTO.

  • 4G Installation kits for 4 stroke HuaSheng 49cc 142F-1G / 53cc 144F-1G engine and also for Honda 50cc GXH50 .
  • Install engine using our kit in a few hours and them go 0 to 30mph in 6 seconds!!!!
  • 4 cycle engine operation, means no oil mix in gas tank!,   Means little vibration and robust engine sound.
  • Depending on sprocket ratio bike speeds are attainable up to 45KM / hr. with an adult rider on flat land.
  • Many transmission ratios and final drive ratios available:  Ref web site www.grubeeinc.com  for details.
  • Transmission Output drive sprockets available: > 10T solid / 11T feewheel / 12T HD freewheel
  • Select Solid driven pulley or the new built in freewheel driven pulley option;  both available in: 80T / 90T or 100T
  • 4G Silent T belt transmission Has No gears; No oil;  No noise;  No muss;  No fuss;
  • Get over 100 miles per gallon of fuel when using above mentioned small 4 cycle gas engines.
  • V- frame engine mount kit gives you that mini motorcycle look called MoPed.
  • Many muffler options available including our famous Poo Poo Pipe.
  • Tear drop gas tank, all controls, chain & sprocket as well as an optional heavy duty axle with a freewheel hub.
  • We supply the complete installation kit:   US Patent Pending on our 4G belt drive transmission.
  • The WD distributor can buy Huasheng engines direct from the engine factory and installation kit from us.
  • We prefer you buy HuaSheng engines direct from Peter Zhu at HuaSheng to get 1st line quality, best price and warranty.
  • Honda GHX50 engines are not available from China.
  • Beware of others in China who want to sell you 4 cycle engines with no name. Possible factory rejects!
  • 4G transmission kits make 2 cycle bike engines obsolute!  
  • 4G Installation kits are made by GruBee and sold by China GAS in our own factory in Changzhou China.
  • HD axle kits available to eliminate clamping 44T to 56T rear wheel drive sprockets to wheel spokes.
  • Gt2A-S special made T6061 aluminium bike frames available with built-in gas tank.   See our other adds:
  • NOTE: We only sell to franchised Wholesale Distributors in MOQ  min. order quantity of 200 kits.  
  • Individuals and Small dealers buy from WD's
  • We build once a year in May and ship in June.    Send your company profile along with your inquiry.   
  • Check our web sites; www.grubeeinc.com     and    www.chinabestexporter.com

If you would like to be a WD distributor in the motorized bike engine industry we would like to talk with you!  Join us in this new industry.    Send us your Co. profile and business plan to receive pricing and WD consideration.  Sending your inquiry without your company profile, business name, location and without a Business Plan will result in no reply back.





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China (Mainland) | Trading Company
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