Turn your bike into an e-bike - with Bafang motors
In addition to the normal commercial e-bikes, there are lots of conversion systems available. "Bafang" is one of the leading manufacturers in this area - both for e-components and complete systems.
Functional principle and advantages of Bafang BBS01/02/HD mid-drive motors
What means mid-drive-motor?
There are 3 different ways to mount the motor when converting your bike into an E-Bike:
- Front-wheel (hub motor)
- Rear-wheel (hub motor)
- Bottom bracket - in the "middle" (mid-motor, mid-drive motor)
Compared to the hub motor, the mid-drive motor doesn´t transmit the power directly to the wheel, but to the bicycle chain. This means, your rear bicycle gears can also be used with a motor assist, which is not only an advantage when riding uphill. Further advantages are ideal weight distribution, low center of gravity, and a very natural riding experience. Furthermore, the front and rear wheels can still be changed without any problems.
Bafang BBS motor function is very simple: The electric motor powers the front chainring with an internal gear ratio of 22:1. An integrated clutch makes it possible, that the crank arms won´t be moved while the chainring rotates forward.
Exploded view of Bafang BBSHD Motor (BBS01 and BBS02 are the same design)
This is a complete mechanical conversion kit with all the necessary parts for you and your bike!
Order | Assemble | Ride
This conversion kit contains the following components:
- 48V750W motor with all necessary cables and fixing parts
- Speed sensor
- Original cranks from Bafang
- Original chainring from Bafang with 46 teeth(Blue color 7075 aluminum 42T optional)
- Color display(Optional)
- Original thumb throttle from Bafang
- Bottle mount battery (3 options)
- Charger 2A
Gift: Mounting tool
And the accessories you may need:
Order From EUNORAU advantages:
- US/EU/AU/UK Stock: We prefer to ship the goods from the local warehouses directly to customers.
- Two years quality warranty and free repair
- After-sales site: US maintenance point
The Bafang Official Motor Partner
This set is suitable for most bikes. To be sure it fits your bike as well, please note the following points:
1)Bottom Bracket Size:
Since this motor is available for different bottom bracket widths, please measure your bike and select afterward above. We recommend inverting the bike and measuring the frame width at the bottom bracket.
2) Bottom Bracket Diameter:
The motor axle has a diameter of 33,5 mm and is installed instead of the bottom bracket. If your bottom bracket width is more than 75 mm, it´s possible that your bottom bracket has a bigger diameter (press-fit bearings) and you need an adapter. We recommend removing your bottom bracket, then you can easily measure the diameter. If it´s about 33/34 mm - no adapter is required. Please send a photo to info@eunorau-ebike.com if you are not sure - we will help you!
Bafang BBS advantages:
- The motor is very silent
- Pedaling resistance is very low, even without system operation
- Bafang BBS motors are very low maintenance
- Spare parts available and easy to change for yourself (many clips on youtube for assistance)
- Lots of system components are selectable (chainrings, display, battery, ...)
Technical comparison of our 5 different Bafang motors:
| Motor | 250W/350W | 500W/750W | 1000W |
| Max. Ampere | 18A | 25A | 30A |
| Max.Torque | 80 Nm | 90-100 Nm | 160 Nm |
| Motor weight | 3.7 kg | 3.7 kg | 5.6 kg |
| Battery voltage (nominal) | 36V | 48V | 48V / 52V |
| Control | PAS-Sensor (Pedal sensor, cadence) | PAS-Sensor (Pedal sensor, cadence) | PAS-Sensor (Pedal sensor, cadence) |
| n0(Rpm) | 87/87 | 120/160 | 160 |
| nT(Rpm) | 78/75 | 113/125 | 140 |
| Torque sensor | No | No | No |
| Recuperation | No | No | No |
| Backpedal brake possible | No | No | No |
| Throttle possible | Yes | Yes | Yes |
| Programmable | Yes | Yes | Yes |
| Gear sensor/Brake sensor connections | Yes | Yes | Yes |
Technical comparison of our 3 different Battery:
| Normal Voltage: | 48V | 48V | 48V |
| Rated Capacity: | 10AH | 14AH | 17AH |
| Battery Cell: | Yiklik 2900mah.52PCS | Samsung 3500mah.56PCS | Samsung 3500mah.70PCS |
| Array mode: | 13S4P | 13S4P | 13S5P |
| Battery size: | 367.2*90.1*111mm | 367.2*90.1*111mm | 367.2*90.1*111mm |
| Battery Weight: | 4.1KG-4.4KG | 4.1KG-4.4KG | 4.1KG-4.4KG |
| Max Constant Discharge Current: | 25A | 30A | 30A |
| Peak current: | 60A | 60A | 60A |
| Charge voltage: | 54.6V | 54.6V | 54.6V |
| Discharge cut off voltage: | 36.4V | 40.1V | 40.1V |
| Way of Charge: | CC/CV | CC/CV | CC/CV |
| Cycle Life: | 1000 times | 1000 times | 1000 times |
| Charge Temperature: | -15-65℃ | -15-65℃ | -15-65℃ |
| Discharge Temperature: | -15-65℃ | -15-65℃ | -15-65℃ |
| Protection Function: | Overcharge, Over-discharge, Over-current, Short circuit, Balance | Overcharge, Over-discharge, Over-current, Short circuit, Balance | Overcharge, Over-discharge, Over-current, Short circuit, Balance |
From Bike to E-Bike - but how to do?
The conversion is very easy and can be done by anyone with a little manual skill. Briefly described:
- The bottom bracket has to be removed
- Mounting Bafang motor by fixing with triangle and both lockrings
- Battery fixing on the bottle holder
- Connecting the cables
In this video have shown this in detail:
FAQ:
Q: Custom Duties:
A: Import duties, taxes, and charges are not included in the item price.
Q: Color Difference :
A: The pictures showing at our store are taken based on the true products. Because of different monitors and brightness, there may exist normal tiny color difference, please do not leave bad feedback or return goods to us without contacting us.
Q: Delivery Time :
A: If products are still in transit, and your delivery time is going to expire, kindly contact us, and we will extend the delivery time for you. Or if products are lost in transit, kindly contact us we will make a full refund or resend the same products to you as soonest.
Q: Feedback:
A: Your satisfaction and positive feedback are very important to us. Please leave positive feedback and 5 stars if you are satisfied with our items and services.
If you have any problems with our items or services, please feel free to contact us before you leave negative feedback.
Q: Defective Products:
A: Please do not sign on the shipping bill if the product is defective, it is the shipping company's responsibility, please take a photo for us and we will make a refund you.
Q: Return Policy:
A: We do our best to serve our customers. We will refund you if you return the items within 15 days of your receipt of the items and it is only the reason of product itself like a defect, damage, anything that is seller's fault, not the buyer's personal preference or failure to use. Besides, the items returned must be in their original conditions.
Q: How can I change something from the packaging list?
A: You can remark your requirement while order or send the message to us, then we'll change it for free to you.
A: You can remark your requirement while order or send the message to us, then we'll change it for free to you.
Processing time: 1-3 business day.
Shipping time: Based on the Country and Shipping methods.
Note: Affected by Covid-19, there will be some delay on the delivery.
Shipping Methods:
A.Electric bikes free shipping to the lower 48 States will ship by Fedex/UPS from Las Vegas in USA.Estimate delivery time 5-7 days.Shipping to Australia are free shipping.Shipping to Canada will ship by UPS,please choose +200 shipping method when you check out the order,.Estimate delivery time 7-15 days, shipping to Hawaii/Alaska&other countries,please choose +500 shipping method when you check out the order,Estimate delivery time 7-15 days.
B.The Conversion kit&Parts order more than 100USD will ship by Fedex/UPS,Estimate delivery time 7-10 days.
C.The Battery will ship by Fedex,Estimate delivery time 10-15 days.
D.The Spare parts order less than 100USD will ship by Economic Post,Estimate delivery time 15-30 days.if you want ship by express, Please choose +15USD shipping method when you check out the order.
Shipping instructions: Free shipping
Cancellation
We accept order cancellation before the product is shipped or produced. If the order is canceled you will get the full refund. We cannot cancel the order if the product is already shipped out.For rejection, we have to refund you after deducting the shipping cost.
Returns (if applicable)
We accept a return on products. Customers have the right to apply for return within 7 days after the receipt. To be eligible for a return,customers must receive the product in 100% new, Re-sellable condition. Merchandise is not eligible for a refund if it has been assembled, ridden, worn, used, abused, damaged in any way. The merchandise must arrive complete, including warranty cards, manuals, accessories,promotional material, and in the original packaging.Customer must initiate return shipment of the merchandise within 7 days of the purchase date and pay for the shipping cost to EUNORAU’s warehouses located in the US/AU/EU/UK. We will finish the inspection within 5 days after receipt of the product. If the returned products are not in original condition according to Clause, We will refuse a refund.If the returned products are in original condition according to Clause, We will agree to refund the paid amount.
Refunds (if applicable)
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund. If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
Late or missing refunds (if applicable)
If you haven’t received a refund yet, first check your bank account again.
Then contact your credit card company, it may take some time before your refund is officially posted. Next, contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us at info@eunorau-ebike.com.
Please contact our Customer service at info@eunorau-ebike.com to get the returned address.
USA return address:
Contact person: Amis
Phone:+1 7026015552
6585 Arville St Suite B, Las Vegas, Nevada，USA
The zip code:89118
Australia return address:
Contact person: Luke
Phone: +61-03 8510 3901
Keys Road, Moorabbin,VIC,Australia
The zip code:3189
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