Motor connection to the left crank.
Chainring size is 54 teeth. Motor sprocket is 14 teeth. The crank is a Sugino timing crank for the timing chain of a tandem. I changed this from 46 teeth, which had the cranks spinning too fast for comfort.
Motor connection to the left crank.
Chainring size is 54 teeth. Motor sprocket is 14 teeth. The crank is a Sugino timing crank for the timing chain of a tandem. I changed this from 46 teeth, which had the cranks spinning too fast for comfort.