Centinel Wheel smart electric bike wheel, turns your bicycle into an e-bike.
Centinel Wheel features a removable motors and battery pack that makes maintenance and upgrade easy.
You can change your bicycle anytime you want by taking out the motors and the battery and ride it like a normal bike. Centinel Wheel is designed to give you that extra push when you need it and also to work as a back up motor in the case of one of your motors breaking down.
All-in-One Design: All the parts are inside the wheel, no need to worry about all the hassles involved with installing an electric bike conversion kit.
Intelligent Controller: Two motors with advanced algorithm to work as you ride. Our intelligent controller knows when you need extra power or when you are just cruising.
Easy Recharge: Don’t worry about charging your battery. You can charge easily by taking out the removable whether you are at home or at work.
via kickstarter
Can one be put on the front as well?