the chaim is connected to the sprocket,
the sprocket is connected to the drive shaft,
the driveshaft's connected to the friction wheel,
and the friction wheel drives on the wheel rim.
Oh Lordy don't we see it all.
The shocks hold down the engine,
the engine holds down the friction wheel
The " Doc" probably learnt how to "Wheelie''' har har!!on this
Oh Lordy dont we know it all.
ERRR dunno why there are seat springs, any guesses??