Bafang BBS02B 750w Electric Bike Conversion Kit

7.9
Expert ScoreRead review
  • All prices mentioned above are in British pound.
  • This product is available at AliExpress, Amazon.co.uk, eBay.
  • At aliexpress.com you can purchase Bafang Motor BBS02B BBS02 48V 750W Engine Electric Bike Conversion Kits Mid Drive Motor With 18650 Lithium 48v17.5ah Battey Kit for only £312.13, which is 65% less than the cost in eBay (£892.67).
  • The lowest price of BBS02B 48V 750W BAFANG Mid Drive Motor Conversion Kit ebike 13Ah 17.5Ah Battery was obtained on January 13, 2022 7:40 pm.

£312.13

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Price history for Bafang Motor BBS02B BBS02 48V 750W Engine Electric Bike Conversion Kits Mid Drive Motor With 18650 Lithium 48v17.5ah Battey Kit
Latest updates:
  • £312.13 - January 13, 2022
  • £350.19 - January 6, 2022
  • £354.76 - December 29, 2021
Since: December 29, 2021
  • Highest Price: £354.76 - December 29, 2021
  • Lowest Price: £312.13 - January 13, 2022
Last Amazon price update was: January 19, 2022 3:13 pm
× Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com (Amazon.in, Amazon.co.uk, Amazon.de, etc) at the time of purchase will apply to the purchase of this product.
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Last updated on January 13, 2022 7:40 pm
Bafang BBS02B 750w Electric Bike Conversion Kit
Bafang BBS02B 750w Electric Bike Conversion Kit

£312.13

Description

The Bafang BBS02B 750w electric bike conversion kit continues to be one of the best-selling DIY e-bike kits available. One of the main reasons for this is you simply cannot get more ‘bang for you buck’ at this price. For the full review of the Bafang BBS02B click the link at the bottom of this page.

I have installed over 100 Bafang BBS02B motor kits to customer bikes and the feedback has been excellent.

Summary – what makes the Bafang BBS02B so great?

Thanks to its ‘plug and play’ design the Bafang BBS02B will fit a majority of regular bicycles with a few exceptions (see below). Providing your bike has a standard BSA threaded bottom bracket  then installation should be fairly straightforward for the competent DIY enthusiast.

bafang bbs02b mountain bike conversion

A Bafang BBS02B conversion done correctly will produce a great looking E-Bike

Another great thing about the Bafang BBS02B is the performance – A peak power output of between 1360w – 1470w is achievable depending on whether you use a 48v or 52v battery. These peak power figures are for a fully charged battery with the controller set at its 25A maximum current.

Caution! If you are going to use a 52v battery, I would recommend you limit the peak current to 18A – I have encountered a number of premature controller failures when a 52v battery is used in the past. Limiting the current will reduce the heat build up and lengthen the service life of the controller.

If you don’t mind experimenting with the controller settings you can purchase a USB programming cable and download the free open source software  – for more information on how to do this safely, follow the instructions on Karl’s electricbike-blog. I personally recommend lowering the maximum current to 18A and lowering the start current on the pedal assist and throttle to 5% – this will make the start-up much smoother and reduce load on the motor and electronics.

Neat installation – because of the design, a Bafang BBS02B installation if done correctly will result in a very neat and professional looking e-bike conversion.

Choose your power! Most of the Bafang display units allow the rider to choose from up to 9 gradually incremented levels of assist. This means that you as the rider can either decide to stay within your comfort zone (for pedalling) or maybe push yourself that little bit hard and share the workload with the motor. I have written a separate article on using an e-bike to get fit and lose weight on my other website.

Motor Specification:

  • Bafang Model: MMG340.750
  • Motor Model: BBS02B
  • Power: 750W (1200w peak with 48v battery)
  • Voltage: 48V
  • Controller Current: 25A
  • No Load Speed(RPM): 140-160
  • Load Speed(RPM): 120-135
  • MAX Torque: 120 N.m
  • Top Speed: 45km/h (depends on bike gearing)
  • Efficiency: > 85%
  • PAS SENSOR: Cadence and Speed Sensor
  • Reduction Ratio: 1 : 21.9
  • Certification: CE/EN 14764/ROHS
  • Waterproof Grade: IP65
  • Bracket bottom length: 68mm-73mm standard threaded BSA type
  • Motor Operation Temperature: -20℃-45℃

What’s in the box:

  • Bafang mid drive motor unit
  • Crank arms (pair)
  • Chainring
  • Brake Lever or Hydraulic Brake Sensor (
  • Thumb Throttle
  • External Speed Sensor
  • Display(DPC18,850C,C965)
  • 1T4 cable (wiring harness)
  • Assorted fixings

Legal notice

The Bafang BBS02B should not be used in public spaces or on the road in the UK due to current laws regarding the power output and speed of electric pedal cycles.

Conclusion

The Bafang BBS02B will turn your humble mountain bike into a high-performance off-road electric bike. I would strongly recommend that you only fit the kit to a good quality bike that has been fully serviced and has decent components (especially brakes).  Installation can be challenging for the uninitiated and requires patience, the right tools and a certain degree of bicycle knowledge.

This latest 2021 model does seem to be more reliable than previous models, and if you follow my advice and limit the peak current to 18A and do not use a 52v battery then it should provide years of fun.

Please check out the review below for more information of the Bafang BBS02B.

Visit ebikechoices.com for the full and detailed Bafang BBS02B review The Bafang BBS02B is featured in my Best Electric Bike Conversion Kits article
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The Bafang BBS02B 750w electric bike conversion kit continues to be one of the best-selling DIY e-bike kits available. One of the main reasons for ...
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£388.99
January 19, 2022 3:13 pm
× Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com (Amazon.in, Amazon.co.uk, Amazon.de, etc) at the time of purchase will apply to the purchase of this product.
1 new from £388.99
£709.00
January 19, 2022 3:13 pm
× Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com (Amazon.in, Amazon.co.uk, Amazon.de, etc) at the time of purchase will apply to the purchase of this product.
1 new from £709.00
7.9Expert Score
Bafang BBS02B 750w Electric Bike Conversion Kit
Still one of the best electric bike conversion kits available
The Bafang BBS02B is a fantastic e-bike conversion kit for the price. Performance is excellent and the motor itself is super smooth and very quiet in operation. Installation can be challenging if you're a novice or inexperienced with bicycle maintenance, but the end result will be worth it. The fact it can be easily programmed by anyone means you can really dial in the characteristics of the motor performance to suit your own individual needs. There are a couple of downside, the main one being legality - unfortunately the Bafang BBS02B is not road legal for use in the UK and should only be used on private land. Despite recent improvements the electronics can still play up from time to time - although these instances seem to be much rarer nowadays.
Value for money
8.5
Performance
9
Ease of installation
7
Reliability
7
PROS
  • Good value
  • Remarkable performance
  • Very smooth
  • Quiet
  • Neat installation
CONS
  • Not road legal (in the UK and EU)
  • Can be challenging to install
  • Some reliability issues persist

Additional information

Specification: Bafang BBS02B 750w Electric Bike Conversion Kit

Part Number
Color
Size

Price History

Price history for Bafang Motor BBS02B BBS02 48V 750W Engine Electric Bike Conversion Kits Mid Drive Motor With 18650 Lithium 48v17.5ah Battey Kit
Latest updates:
  • £312.13 - January 13, 2022
  • £350.19 - January 6, 2022
  • £354.76 - December 29, 2021
Since: December 29, 2021
  • Highest Price: £354.76 - December 29, 2021
  • Lowest Price: £312.13 - January 13, 2022

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