The brake caliper is attached to the rear sprocket by aligning caliper to sprocket.
The 40" brake line is attached to the brake caliper and it is ziptied to the swingarm component. The other end connects to a coupler.
The netgain hyper 9 drive side motor mount plate is attached to the motor using 3/8"-16x1" hex bolts. This is what attaches the motor to the frame of the car.
The motor sprocket is attached to the motor shaft using screws and 4mm hex key.
To size the chain, we wrapped it around the rear sprockets and motor sprocket and pulled it tight enough that it wasn't drooping.
Once we marked which chain to remove, we used an angle grinder to grind off the top of a chain and break it off.
We attached the two sides of the chain using a masterlink.