Ebike Bafang 36V 250W Mid Drive Motor 10A/15.6A/20A/22.5A Battery Electric Bicycle Conversion Kits BBS01B Electric Bike Engine

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Product Details

About This Item

★★★★★Universal Compatible: Bafang BBS Mid drive motor kit is compatible with fatbike, mountain bike, road bike and so on. This kit is designed to fit a standard 68-73mm bottom bracket.

★★★★★Riding Model & Installation: Three riding Model (E-bike, Pedal Assisted bike, pedal bike) for you to choose.

★★★★★Easy installation: It can be completed within 1 hour by watching installation video offered by us.

★★★★★Overseas Warehouse: We have United States, Russia, Germany, Poland, Spain, United Kingdom, France, Canada, Australia and Japan warehouse. We offer fast delivery and local return. We strongly recommend to place order from overseas warehouse.

★★★★★After-sales Service & Warranty: 1 year warranty for main parts, free repair, replacement or refund if there is any quality problem. Poland maintenance point for EU countries and US maintenance point.

36V 250W Mid Drive Motor
Motor Model: BBS01B
Bafang Model: MM G340.250
Controller Current: 15A
No Load Speed(RPM) :83-87
Load Speed(RPM):78-83
MAX Torque:80 N.m
Efficiency: > 80%
PAS SENSOR : Speed Sensor
Reduction Ratio: 1 : 21.9
Centification:CE/EN 14764/ROHS
Waterproof Grade:IP65
Motor Weight: 3.98kg
Bracket bottom length:68mm
Operation Temperature:-20-45℃
Waterproof Grade: IP65
Display Working Temperature: -20-80C
36V 10Ah Kettle battery
Nomal Volt: 36V
Rated Capacity:10AH
Battery Cell:ZN2500mah.
Array mode:10S4P
Battery size:367.2*90.1mm
Battery Weight:3.1KG
Max Constant Discharge Current:25A
Peak current:60A
Charge voltage:42V
Discharge cut off voltage:28V
Way of Charge:CC/CV
Cycle Life:1000 tims
Charge Temperature:-15-65℃
Discharge Temperature:-15-65℃
Protection Function:Over charge, Over discharge,Over current, Short circuit,  Balance
36V 15.6Ah Hailong Battery
Nomal Volt: 36V
Rated Capacity:15.6AH
Battery Cell:Built in Domestic 2500mah 60PCS
Array mode:10s6p
Battery size:367.2*90.1*111mm
Battery Weight:4.1KG
Max Constant Discharge Current:25A
Peak current:60A
Charge voltage:42V
Discharge cut off voltage:28V
Way of Charge:CC/CV
Cycle Life:1000 tims
Charge Temperature:-15-65℃
Discharge Temperature:-15-65℃
Protection Function:Over charge, Over discharge,Over current, Short circuit,  Balance
36V 20Ah Rear Rack Battery
Nomal Volt: 36V
Rated Capacity:20AH
Battery Cell: 2500mah
Array mode:10s8p
Battery size:450*160mm
Battery Weight:6KG
Max Constant Discharge Current:25A
Peak current:60A
Charge voltage:42V
Discharge cut off voltage:28V
Way of Charge:CC/CV
Cycle Life:1000 tims
Charge Temperature:-15-65℃
Discharge Temperature:-15-65℃
Protection Function:Over charge, Over discharge,Over current, Short circuit,  Balance
36V 22.5Ah Rear Rack Battery

Normal Voltage: 36V
Rated Capacity:22.5AH
Battery Cell:Built in 2500mah
Array mode:10s9p
Battery size: 475.9*162*88.9mm
Battery Weight:7KG
Max Constant Discharge Current:30A
Peak current:60A
Charge voltage:42V
Discharge cut off voltage:28V
Way of Charge:CC/CV
Cycle Life:1000 times
Charge Temperature:-15-65℃
Discharge Temperature:-15-65℃
Protection Function:Over charge, Over discharge,Over current, Short circuit,  Balance

Purchase Tips :

If you need to change something about the product list, you could remark your requirement while order or send the message to us, then we'll change for free to you.

1.For the brake, you can choose brake lever (Default) or hydraulic brake sensor

2.For the chainwheel type, you can choose 44T(Default), 46T, 48T or 52T.

3.For the display, you can choose C961=800S=500C=SW102, 750C=850C=P850C, 860C=KD986, DPC18= 750C Bluetooth



How do I know if this mid drive motor fits for my bike?

This mid drive motor fits for the bike with 68mm (2.68inch) – 73mm (2.87inch) wide bottom bracket. The inner diamater of the bracket should be not less than 33.5mm. We'll send extra install accessoreis for 73mm bottom bracket.

How many days I can get the motor kit?

If you choose ship from oversea warehouse, you can get the parcel within 3-8 days if there is no accident.

Can I install the motor as soon as I receive it?

Before installing the motor, please follow the steps in the manual to connect the motor to see if the motor can work normally. If there is a problem, please contact us first, we will provide technical support, don't worry.


Item Specifics
Brand Name:
201 - 300w
Motor Type:
Side Hung Motor
Mid Drive Motor Brand:
Bafang Motor Model:
MM G340.250
Motor Type:
BBS01B 36V 250W
Built in the Motor
Controller Current:
No Load Speed(RPM):
Load Speed(RPM):
MAX Torque:
80 N.m
> 80%
Reduction Ratio:
Bottom Bracket Length:
Waterproof Grade:
Motor Weight:
Operation Temperature:
Optional LCD Display:
C961/800S/500C/SW102/750C/850C/P850C/860C/KD986/DPC18/750C Bluetooth
Display Working Temperature:
Optional Chainwheel:
Motor Warranty:
One Year
Support Customized:
Battery Type:
Lithium Battery
Way of Charge:
Cycle Life:
1000 times
Charge Temperature:
Discharge Temperature:
Battery Protection Function:
Over Charge, Over Discharge, Over Current, Short Circuit, Balance
Battery Charger:
Shipping & Payment


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of SAJAKS Favorites (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of www.sajaksfavorites.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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