Feature

●【Easy Installation】: The Bafang 750W center drive conversion kit is easy to install on standard bicycle frames. It provides a removal tool to help remove the old crank and a dedicated wrench to properly tighten the motor to the frame. All the right tools are gift giving and easy to install
●Powerful: The starting torque is large, and the maximum torque is over 160 Nm and has excellent climbing performance. Drive at maximum speed of 30 mph. Two working modes: electric bike and assist bike You can choose an electric bicycle to enjoy long trips and exercises
●Safety: The drive unit uses a double clutch for added safety. Speed sensor and torque sensor can be used. High efficiency, low consumption, long distance mileage
●[ALL INCLUDED]: Comes with everything you need to complete your electric bike, and you are ready to enjoy the freedom to climb freely with no issues. 1 set includes 750W Octagon Midmount Motor, Display (Optional), Sprocket, Speed Sensor, Brake Lever or Sensor, 1T4 Cable, Throttle, Mount, Crank, Headlight, Wrench and Removal Tool Compatible batteries are optional
●【Service Service】: Normally it takes 5-12 days to arrive. You can rest assured that the intermediate motor has one year warranty. During the effective period, if there are quality problems, we will replace or repair it. Fast response within 24 hours


Description

Purchasing Notes:
Suitable for bicycle bottom bracket 68-73mm
The inner diameter of the bracket is over 33.5mm.
8 washers in the package help secure the 73mm bottom bracket.

Motor Specifications:
Wattage: 750W Volts: 48V
Controller Current: 25A
No-load speed (RPM): 140-160
Read Speed (RPM): 120-135
Maximum Torque: 160 N.m
Efficiency: 85%
PAS: Speed sensor
Reduction Ratio: 1:21.9
Certification: CE / EN 14764 / ROHS
Waterproof Rating: IP65
Motor Net Weight: 9.8 lbs (4.24 kg)
Motor Kit Weight: 12.3 - 13.3 lbs (5.6 - 6.0
Bracket bottom length: 68mm-73mm
Motor Operating Temperature: -4°F - 104°F (-20°C - 45°C)
Maximum Speed: 52km/h (75Kg load, 44T, variable speeds under different conditions) 25-30KM speed for longer riding.

Hailong 48V 12Ah / 14.5Ah / 17.5Ah Battery Specifications:
Battery: Samsung 29ET 2900mah 52PCS / Samsung 29ET 2900mah 65PCS / Samsung 35ET 3500mah 65PCS
Array mode: 13s4p / 13s4p / 13s5p
Battery Size: 14.5 x 3.5 x 4.3 inches (367.2 x 90.1 x 111 mm).
Battery Weight: 8.1 lbs (4.1 kg), 8.9 lbs (4.4 kg), 10.9 lbs (4.4
Maximum Constant Current Discharge: 30A
Current Limit: 25Ah / 25Ah / 30Ah
Fits: Bafan 48V 500W 750W 1000W Hub Motor and Medium Motor
Charging Voltage: 54.6V
Discharge termination voltage: 36.4V
Charging Method: CC / CV
Cycle life: 2,000 times
Charge and discharge temperature: -5 - 145 °F (-15 - 65 °C)
Protection: Over-charge, over-discharge, over-current, short circuit, balance

Package List:
1. BBS02B 48V 750W Center Drive Motor x 1.
2. Speed sensor + magnet x 1 set.
3. Sprocket: 44T 46T 48T 52T (optional)
4. Display*1 DPC18 750C 8520C P850C C965 C961 SW102 500C 750C Bluetooth (available on iPhone IOS 9.3.5+ system)
5. Brake levers. *1 pair (freely change to hydraulic brake sensor).
6. Thumb throttle x 1.
7. Mounting screws and nuts *1 set
8.1T4 cable * 1
9. Crank * 1 Pair
10. Gift: headlight wrench + removal tool + 1 set XT60 cable spacer * 8, bottom bracket 73mm