This Motor Controller from Brainpower is an essential component for any electric bicycle enthusiast. With a voltage range of 30/42 and a power output of 350W, this controller is perfect for enhancing the power of your electric bike. The sleek silver color and compact design make it a great addition to any bike. Designed specifically for electric bicycles, this controller is a must-have for anyone looking to upgrade their ride. The unit type is a single unit, and the package comes with one motor controller. The model is Brainpower Motor DC30-42v, and it is a part type motor. This product falls under the Electric Bicycle Components and Bicycle Components & Parts categories, making it an ideal choice for cycling enthusiasts.