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500W Rear Hub Kit with or without Lithium-Ion Battery 48V


We have lots of Bafang Rear Hub Kits in stock in the USA, Canada, Germany, Australia and China! Kits typically arrive at your door within 7-10 days in North America and Western Europe. 

We've made it super easy to get started with this all-in-one electric bike kit that includes the rear hub motor, rear wheel and all accessories with a choice of frame or rack mount battery! 

Bafang is the most reliable and highest volume manufacturer of electric bicycle motors on the planet and is a budget-friendly rear hub kit that delivers great power for your daily commute and casual rides. It has a geared motor, so that means it will have plenty of low-down torque and power as speeds increase. This kit fits disc brakes and V brakes. 

We offer FREE SHIPPING of this kit to the US, Canada and Western Europe! We also offer 30-day satisfaction guarantee, if you don't love your kit just let us know and we'll give you a full refund. 

Step 1 - Check that you have between 120mm to 142mm gap in your rear forks/dropouts

Step 2 - Select your matching wheel size

Step 3 - Select the battery location (frame or rack) that best suits your bike (see measurements below)

Step 4 - Check your rear wheel hub to see if its a Cassette type (DC) like in the picture below: 

Or if its a freewheel (D Type) like the picture below:


***Most bikes have Cassette type (DC) rear wheel hubs, so please ensure you select the appropriate rear wheel hub type for your bike.

Approximate* range of each lithium-ion battery:

Voltage Amp Hours Mount Position  Total Watt-Hours Range (miles) Range (km)
12Ah Frame 576 Wh 27 - 45  44 - 75 
15Ah Rack 720 Wh 34 - 60 60 - 95

*Range depends on a number of factors such as amount of throttle and pedal assist, type and pressure of tires, type of terrain, rider weight, etc.

Fitment Checklist for Front Hub Motor:

1 - Check that there is at least a 135mm-142mm gap in your rear fork/dropout
2 - Check your tire size and make sure you order the same size as your current wheel(written on the tire sidewall) 

Fitment Checklist for Frame Mount Battery:

Check your frame size to ensure the battery will fit. These batteries screw into the holes where the water bottle holder bolts in. (L360mm x W90mm x H11mm) (L14" x W3.5" x H3.5")

Kit includes:

1. 500W Motor with rear rim (without tire)
2. PAS sensor (Pedal Assist System)
3. Controller
4. Brake levers with electronic cut-off
5. Thumb Throttle
6. Display
7. Battery 
8. Battery Charger
9. Controller box (to hide controller & wiring)
10. Rack mount battery includes metal rear rack

Motor Specs:

  • Top Speed 38-40 KMH / 20-30 MPH
  • Max RPM 470
  • Efficiency ≥ 80%
  • Brake Levers cut off the power supply to the motor safely

Display (Bafang C965):

1. LED Speed Display
2. 9 level power indicator
3. 6km/h speed assistance cut-off
4. Low to High 4 position Battery power display
5. Night mode backlight

12Ah Frame Mount Battery Specs:

  • Nominal Voltage: 48V
  • Nominal Capacity: 12Ah
  • Battery size:367.2*90.1*111mm
  • Cell Model: Built in Samsung 18650 cells
  • Charge Voltage: 54.6V±0.05V
  • Cycle Life:1000 times
  • Charge Temperature:-15-65
  • Discharge Temperature:-15-65℃

 15Ah Rear Rack Battery Specs:

  • Normal Voltage: 48V                                                                                          
  • Rated Capacity:15AH
  • Battery Cell:Built in 2500mah                                                               
  • Array mode:13s6p
  • Battery size: 450*160mm
  • Battery Weight:6KG
  • Cycle Life:1000 times
  • Charge Temperature:-15-65℃
  • Discharge Temperature:-15-65℃


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