9
Installation Procedures
1. Open the package and take out the drive unit and accessories.
Check whether the specifications of the motor are correct. Check that all accessories and
wiring have been included in the box as per the packing list.
2. Fix the chain wheel on drive unit with 5pcs screw M5*10, (see picture 1), then fix chain
cover (optional) on chain wheel with 5pcs screw ST3.9.
Do not use Loctite with these bolts.
3. Carefully feed the drive unit axle through the bottom bracket. If you encounter resistance
your BB shell may need to have burs / weld overflow smoothed with a rounded file.
5 x M5 x 10mm
Higher Surface
Recessed Surface
