Gngelectric supply inexpensive electric bike kits system which allow you
 to convert your own conventional bike into a battery-powered electric bicycle.


 24V/36V 250W electric bike kit

High efficiency!!! New Product!!! Can shift gear!!!  


 Suitable for all type of bike(mountain bike /road bike/normal bike...)

Suitable for : 12-26 " bike

24V/36V 250W(same price)

(Please state the specification when you buy it, or we will send you 24V250W)






The crank sets have been upgraded as the following photo:



We have 450 brushed motor for this kit now,please contact us for more details.We will also have 36V/48V 500W brushless motor in these two month.

A."Mid-mounted" electric bikes are the future of E-  bike development.

  Electric bicycle kit, from  the simple side-mounted motor to the hub motor electric bike  kit, the centre of gravity is  not right in the  middle, this leads to the unbalance of electric bike and easily  caused dangerous. This mid-mounted  electric  bike kit resolved  this problem and it is the most efficient among the others. 
  Mid-mounted bike in Japan has been named ?the best national design?, the main reason is that the mid-mounted electric bike structure has a  distinctive design, which makes it well-balanced, and thus,  people can ride comfortably and can easily handle it. For the same power  output, this type of kit has the highest efficiency and longer life.  
B.The advantages of mid-mounted electric bike conversion kit: 
the mid-mounted electric bike conversion kits are of high  quality, aimed to be people-oriented, and focused  on the care of the  battery. Also, its main structure is very light, simple, clear and stable. It is very  efficient (For the same battery, mid-mounted  kit can ride 5-10km more than the hub motor, and can reduce the mass of bike for 4-8kg). The reason  why the mid-mounted  electric bike is more superior is that its  battery, motor and gearbox are near the central axis of the bicycle, which allow better balance.
  1.Can I install  the kit on my 18 speed/24 speed bike?
  Yes, you can. This kit is designed for all types of bikes(exclude one type).You can still shift gears while you are using the motor or manpower. 
  2.What battery  is recommended for this kit?
  If the kit is 24V,  you need two 12V batteries, (lead acid or lithium), or one 24V battery.After  they are linked together, the minimum capacity should >12AH and  recommended>20AH 
  If the kit is 36V,  you need three 12V batteries, (lead acid or lithium), or one 36V battery.After  they are linked together, the minimum capacity should >12AH and  recommended>25AH 
  3.Is the kit  include batteries?
  No, the kit  includes all the parts you need except batteries to convert the bike into  electric bike.You need to buy the batteries by yourself. 
  4.Where should I  mount the batteries ?
  We do not  provide the battery box. But you can install it above the rear wheel on  rear rack, or even make a box(need some DIY skills).You can design whether the  batteries can take out or hard wired. 
  5.Is the kit  include a user manual?
  Yes, we provide with the electric wire connection guide for our buyer.
  Contact us
  If you have any problem in installing  the kit,
  We will try our best to help you.
  If you have any problems, we are willing  to help you. Please contact us first before leave neutral or negative feedback.  
  Shipping policy
   1.we will  arrange this item for you within 5 working days after we  receive your payment   
  2. We ship it by  sea mail(7-10 WEEKS) to USA.Canada.UK.  Germany.France.Italy.Australia.Brazil.Czech  Republic.Denmark.Spain.Greece.Russia.Lithuania.Portugal.Luxembourg.Malta.Oman.Poland.Slovakia  and so on.($65) We also  provide Air mail(1-33 WEEKS )(~$92).Please  contact me before you buy it.

The kit may not suitable for some rear suspension bike.If the joint of the rear suspension is behind the rear axis,The kit may not suitable for your bike.
Please be reminded that sea mail may require longer time(it may exceed 7 to 10 weeks due to the tightened custom inspection.) Any complain about the duration of shipping will not be accepted. Please choose the shipping method carefully. Thank you. 
 3. All items  will be shipped to buy's paypal address. Please check  your paypal address correctly.  
  4.International  Buyers ? Please Note: 
  a) Import  duties, taxes and charges are not included in the item price or shipping  charges. These charges are the buyer?s responsibility. 
  b) Please check  with your country?s customs office to determine what these additional costs  will be prior to bidding/buying. While we will declare lower price and mark as  a gift. 
  c) the package  sometimes may be delayed due to customs inspection or holiday delay.
  We accept payment via paypal.
  1. All The Buyers must submit payment  within 7 days of auction close. If payment is not received, the item will be  relisted, a NON-PAYING CLAIM alert will be filed.
    2. Please do not bid if you are not intend to buy. Unpaid dispute  will be filed to ebay for the non payable bidders

   Return policy
  14 days return guarantee: you have two  weeks to try the item, with reasonable reasons ,you can sent it back (less  shipping) with 30% restocking fee. But the return shipping cost is the buyer?s  responsible, wouldn't be refunded.
  Purchase must be in good condition  including all accessories. Our certified technicians will test all items to  guarantee the items prefect before shipping .If you received a defective item, mail us  with the pictures. we will send the other brand new replacement to you  within 14 days start from the delivery date. We will responsible for the  shipping cost . We will evaluate whether you should return the defective item.
  1 year  warranty(motor only)

  (exclude  man-made failure)