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FAQ

1. Why we use E-bike? Why we convert our bike to E-bike?
2. Are hub motors good for climbing hills?
3. What is regenerative braking?
4. What is the difference between front wheel and rear wheel?
5. Does your standard kit include regenerative braking?
6. What is the difference between standard braking and regenerative braking kit?
7. Is there any maintenance required?
8. Is pedelec sensor included?
9. How much is the minimum fork width for front and rear wheel?
10. What is the charger in this kit?
11. Are batteries included?
12. Do you sell battery?
13. How to choose battery?
14. Do you sell bracket?
15. Do you sell other components?
16. Can I use two Motors (Front and Rear Motors) in one E-bike?
17. How to calculate torque?
18. How to calculate my bike rim size?
19. How to calculate my bike spoke length?
20. How to pay you?
21. How to track my order?


1. Why we use E-bike?  Why we convert our bike to E-bike?

Because E-bike has many benefits:

·   Fun - You will find yourself wanting to ride more.

·   Health & Fitness - Get more exercise than you normally would.

·   No need to shower at work - No sweat because you don’t have to pedal hard.

·   Environmentally friendly - Less emissions than even the most environmentally friendly hybrid cars.

·   Inexpensive to run - Less than 5 cents per 30km charge.

·   Fast - Cruise comfortably at a higher speed than you could achieve by yourself.

·   Avoid the traffic - Take advantage of the cycle lanes during peak hour.

·   Tackle hills with ease - pedaling uphill is as easy as on the flat.

·   Greater carrying capacity - Tow a bicycle trailer with minimal effort

·   Prestige - Ebikes are a really cool way to get around

You convert your bicycle to E-bike, then you can still keep your original bicycle, and at the same time you can enjoy the DIY process.

2. Are hub motors good for climbing hills?

The gearless motors on this website will give assistance going up hills but you may have to pedal also. The 36V models have strong torque and are very good hill climbers! Our axial flux motor is up to 98% efficient and will give assistance at all speeds.

3. What is regenerative Braking?

Regenerative braking puts energy back into your batteries when you slow down or go downhill. The system is similar to the Toyota Prius and extends the range of your ebike without extending your own energy input. It also reduces wear and tear on the brakes.

4. What is the difference between front wheel and rear wheel?

Front wheel is easier to install, it is recommend to use for riding on flat road and can keep your original speed gear of the rear wheel; rear wheel has 6-speed or 7-speed gear, the installation is a little more difficult than front wheel, but with better driving force, so is recommend for riding on sloping road.

5. Does your standard kit include regenerative Braking?

No, our standard kit uses standard controller, if you want regenerative braking, you have to change our standard controller to regenerative controller, the difference cost is about USD40, if you want this, please kindly tell us. But one point please pay attention, standard controller is more stable than regenerative controller.

6. What is the difference between standard braking and regenerative braking kit?

Regenerative braking kit can save power, the battery can drive more distance, but the top speed will be also lower than standard braking kit, so if you prefer high speed, we recommend you to buy standard braking kit.

7. Is there any maintenance required?

No, never with brushless gearless motors because there is only one moving part in the entire system, the wheel!

8. Is Pedelec Sensor included?

Yes, and you can install it or not as you will.

9. How much is the minimum fork width for front and rear wheel?

Normally for front wheel shall be 8.5cm minimum, and for rear wheel shall be 13.50cm minimum.

10. What is the charger in this kit?

The charger in our kit is only for Lead-Acid battery charging. Please do not use for Li-ion battery charging. If you buy our Lithium battery, there will be charger for this Lithium battery.

11. Are batteries included?

No. If you need, we can also supply you Lithium Battery (BMS board and charger are included).

12. Do you sell battery?

Yes, we only supply Lithium batteries (with BMS Board and charger)

13. How to Choose Battery?

We recommend big power motor to choose big capacity battery, for example: For 200W,250W and 350W motor kits, we recommend to use 10AH or 12AH Batteries, for 500W and 750W motor kits, we recommend to use 15AH,20AH Batteries. For 1000W motor kits, we recommend to use 20AH or above Batteries.

14. Do you sell bracket?

Yes, we sell bracket.

15. Do you sell other components?

Yes, We sell motor, controller and all other parts and components.

16. Can I use two motors (Front and Rear Motors) in one Bike?

Yes, you can install two motors in one Bike, and you can use two controllers and one throttle to control them.

17. How to calculate torque?

Torque (in N*m) = 9.55 * Power (in watts) / Speed (in rpm)
1N*m = 141.61 oz*in = 8.85 lb*in = 10,200.0 g*cm, 1.0 hp = 745.7 watts
1.0 in = 2.54 cm, 1.0 kg = 2.205 lb = 35.27 oz, 1.0 mile = 1.61 Km, Tc=(Tf-32)*5/9.

18. How to calculate my bike rim size?

Please kindly check here:  Rim Size Calculation.

19. How to calculate my bike spoke length?

Please kindly check here:  http://www.sapim.be/index.php?st=spokelength

If you buy our motor only, we will put spokes inside free, because our spokes length are special.

20. How to pay you?

We accept PayPal, Western Union or bank transfer (T/T) payment.

21. How to track my order?

After we sent your order, we will fill "delivery method + tracking number" in your account, you can get it from your account in our web.
We mainly use four express delivery methods, we now list the tracking web below:
1. EMS: http://www.ems.com.cn/english.html
    EMS local agents' web: http://www.ems.coop/operators (You can track EMS in your local agents' web)
2. DHL: http://www.dhl.com
3. UPS: http://www.ups.com
4. FedEx: http://www.fedex.com
5. RPX: http://www.rpxonline.com
6. LWEXPRESS: http://www.lwexpress.cn/Track.aspx (For Singapore delivery)


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