Water proof cable Controller

This is a high power controller with a waterproof design made of aluminum in silver tone colour. It is a replacement for your old or damages Retro S and Retro R E-bike controller, Not only is this a plug-in replacement for the Retro series electric bike but also it can be used for any E-bike with similar wiring. It combines whole wire function for the bike, can directly connect brake, rolling handle and function to meter, very simple and concise. The waterproof controller can use conveniently anytime time.