Stop n Go Bike / Wheel set and parts

"Stop n Go Bike" system make starting to become very easily.

“Stop n Go Bike” can improve your bicycle riding experience and pedaling easily, make you have a pleasure mind.It can quickly converted into forward kinetic energy and starting more quickly at next starting.Stop n Go Bike has a restoring force system can be converted to the kinetic energy of the bike move forward and also store it while braking at the same time.When bike starting, it require lots of energy to convert the static friction into kinetic friction."Stop n Go Bike" system make the bike easier to start.