Bafang BBS02B 500w 36v Electric Bike Conversion Kit UK

8.1
Expert ScoreRead review

£403.00

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Bafang BBS02B 500w 36v Electric Bike Conversion Kit UK
Bafang BBS02B 500w 36v Electric Bike Conversion Kit UK

Description

The Bafang BBS02B 500w 36v electric bike conversion kit is another good alternative to the 750w version if you don’t really need the kind of power the latter produces. Personally I think the 36v 500w version of the BBS02B is powerful enough plus 36v batteries are a little easier on the wallet.  For the full review of the Bafang BBS02B click the link at the bottom of this page.

This 36v 500w version of the Bafang BBS02B has also proven to be more reliable when compared with its 750w 48v counterpart.

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

This 500w 36v version of the BBS02B has a different motor controller which allows for the lower voltage battery, whilst keeping the current at 25A. This means the BBS02B 36v 500w still puts out near 1000w of peak power. Although I haven’t had any controller failures with this version I always knock the current back to 22A to allow a small buffer zone.

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 reducing the maximum current to 22A 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: MMG340.500
  • Motor Model: BBS02B
  • Power: 500W (900w peak with 36v battery)
  • Voltage: 36V
  • 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.

If you decide to re-configure the controller settings using the optional USB cable, I recommend reducing slightly to 22A although I’ve yet to experience any controller failures on this 36v 500w version.

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

Visit ebikechoices.com for the full and detailed Bafang BBS02B review

 

8.1Expert Score
Bafang BBS02B 500w 36v Electric Bike Conversion Kit UK
The BBS02B 36v 500w is reliable and still performs exceptionally
The Bafang BBS02B 36v 500w is basically the same motor as the 750w but with a 36v controller set to 25A max current. Don't be fooled by the lower voltage though, this motor will still produce 900w peak power out of the box. 36v Batteries are generally a little cheaper than 48v and this version still performs incredibly well. Set the controller to 22A peak and enjoy hassle free e-bike riding!
Value for money
8.5
Performance
8
Ease of installation
7
Reliability
9
PROS
  • Good value
  • Great performance
  • Very smooth
  • Quiet
  • Neat installation
  • Much more reliable than the 750w (in my opinion)
CONS
  • Not road legal (in the UK and EU)
  • Can be challenging to install

Additional information

Specification: Bafang BBS02B 500w 36v Electric Bike Conversion Kit UK

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Is Adult Product

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