City Protect / BICYCLE

City Protect is a function bicycle.It is combine lock with turn signal .City Protect can makes biker more
security in the night,and make sure the other riders who in your back can know where you go.it use belt chain wheel can makes bike moving quietly.And the turn signal is control by brake laver.it is through sensor to send backlight.It’s reduce the turn control machine.The hadel also can see clear.