Originally Posted by
Milton Keynes
How did they run power from the engine to the wheel on that? Is there a chain or belt on the left side?
Yes the drive chain is on the left side. If you look at the chainstay you can see an idler is bolted on and by looking through the wheel the drive chain is visible just under the seat stay
The drive cog for these motor conversions fits over the outer part of the hub . It's attached with 9 bolts that go through the spokes . On the inside of the spokes there are 3, 120 degree arced metal washers the bolts also go through. Between the drive cog and the washers there are two circular rubber buffers that act as a buffer and what hold the contraption to the spokes.
I'd expect that rear wheel gets a lot of stress and are prone to failure since the motor torque is directly applied to the spokes .
Someone was discarding a wheel and this was still attached.