China 48V 750W Bafang MID Drive Electric Conversoin Kit with Display

48V 750W Bafang Mid Drive Electric Conversoin Kit With Display
♦ Why need electric bike kit to convert into an e-bike?
1. low-carbon solution, saving your time and effort.
2. Stay the original look & style of your favorite bike.
3. Occupy less space, more flexible than a car. Cover the last few miles which a car can't.
4. Riding an electric bike to get some fresh air may make you feel better than driving a car.
♦ Complete kits include:
===> Mid motor
===> C961 display
===> Thumb throttle
===> Speed sensor
===> Chain wheel
===> Crank
===> Brake levers
♦ Specifications:

Motor Power48V 750WSensorSpeed Sensor / Hall SensorMax Torque160N.mEfficiency80%IP-CodeIP 65Bottom Bracket68mm

♦ Installation:
1. Open the package and take out drive unit accessories; And check the specification whether it is correct.
2. Fix the chain wheel on drive unit with 5pcs screw M5*10, then fix chain cover on chain wheel with 5pcs screws ST3.9.
3. Fix the drive unit axle tube on frame bottom bracket.
4. The surface with teeth of fixing plate towards inside, then fix the plate on drive unit with 2pcs M6*10.
5. Hold the drive unit near to bicycle fork, force less than 5kgs, tight 1st nut M33 onto axle tube with force : 30-40N.m.
6. Fix 2nd nut M33 onto axle tube, tightening force: 30-40N.m.
7. Fix the left crank on the bike with M8 inner hexagon screw. Tightening force: 35-40N.m.
8. Fix the right crank on the bike with M8 inner hexagon screw. Tightening force: 35-40N.m.
9. Connect all cables for battery, display, speed detecting sensor and so on.