Bafang Electric Bike Mid Drive Crank Motor BBS02B 36v 500w DIY Bicycle Conversion Kit 8FUN 500W Mid Motor Kit

Amazon.com Price: $394.00 (as of 01/08/2021 11:28 PST- Details)

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Drive Specs

  • Construction: Gear drive
  • Rated Voltage (DCV): 36
  • n0 (Rpm): 120
  • Rated Power (W): 500
  • nT(Rpm): 113
  • Max Torque: 100 N.m
  • Efficiency (%): ≥ 80
  • Pedal Sensor: Speed
  • Shaft Standard: JIS
  • Weight (kg): 4.3
  • Noise Grade (dB): < 55
  • Operating Temperature: -20-45℃

Packing List

  • Bafang MM G340.500
  • Brake lever
  • LCD display
  • EB-BUS water-proof cable
  • Chain wheel
  • Cranks
  • Thumb Throttle
  • Lock Nuts
  • Speed sensor

Kettle Battery 36V 10Ah Specification 

  • Case Material: ABS+Aluminium alloy 
  • Weight: 2.9kg 
  • Dimension: 95mm(ø) × 320mm
  • Capacity: 10/14 Ah 
  • Packing List: Battery/Charger

Hailong Battery 36V 17.4Ah Specification:

  • Cell Model: 18650 2900 mAh(SAMSUNG)
  • Nominal Capacity: 17.4Ah (10S6P)
  • Charge Voltage: 42 ± 0.05 V
  • Standard Charging Current: 2.0(Max: 5.0)A
  • Max Discharge Current: 25 A
  • Dimension: 367.2 × 90.1 × 111.0 mm
  • In the box: Battery/Charger/2 Keys


  1. Not allowed to approach high temperature heat source;
  2. Battery charging environment temperature is between 0℃ and 45℃;
  3. Avoid charging in direct sunlight.Use a dedicated charger for charging;
  4. Do not leave the battery in damp places or in water, disassemble the battery or modify it without authorization, apply external force to the battery or make it fall overhead;

[Shipping & Warranty] — Shipped by DHL, 2-5 days deliver to your US address. 1 year warranty and provide technical support & after-sales service in the US (US ph:7025766881). 24-hour online service.
[Complete Conversion Kits] — Comes with all DIY necessary accessories: Mid-drive motor BBS02B 36V 500W, brake lever, thumb throttle, chainring wheel, cranks, LCD display(optional), speed sensor and magnets, 1T4 wire, nuts.
[Install In 1 Hour] — Easily convert your pedal bike to an electric bicycle within 1 hour. This mid-drive motor can be successfully installed by only a few tools that remove the crankset and the center shaft, as well as tools for installing the mid drive motor.
[Universal Compatible] — Bafang BBS02B mid drive motor kit is compatiable with mountain bike, road bike, commuter bike etc. Fit a standard JIS 68 – 73 mm bottom bracket, please look at the installation image carefully. This kit is not compatible with fat tire bike. NOT recommended to apply this kit to bikes with carbon fiber frame.
[High Reduction Ratio] — The best choice for cycling enthusiasts and those who want faster traffic to work or travel. Two riding mode, electric bikes and pedal bicycle. The power output starts smoothly and accelerates rapidly. The speed reducer with a 1:21.9 high reduction ratio can be easily worn without power. The full throttle starts to accelerate, pushing the back feeling strongly, only two seconds to climb the speed apex of the current gear.

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