48V 500W Bafang BBS02 Mid Motor Kit With Ebike Battery

Δ Kit List:
BB: 68mm/100mm/110mm/120mm for optional
1x Mid motor (controller inside)
1x C961 display
1x Thumb throttle
1x Speed sensor
1x Chain wheel
2x Crank
2x Brake levers
 
Δ Specifications:
Δ 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.