This is an alternative motor for the electro-drive kit, direct from the Brushless Motor Corporation (BMC)
You will get higher speed, better hill-climbing ability, faster acceleration, and reduced heat.
Make sure your drive chain and sprocket is in good shape - you'll need it!
On the photo on the left, it shows the 600-watt BMC motor on my Dahon Jetstream.
The BMC Hi-Speed motor is the most powerful direct replacement motor you can put on your electro-drive. It is truly great !