Vehicle, Mobility and Transportation Design Nibbiorosso Electric MTB by Marco Naccarella For bike designs, and especially for E-bikes, issues with user friendliness and system optimization remain tenacious. Creating a system that can reliably function in the long run, whilst being easy to operate and modify is crucial within its market. Issues such as torque, system simplicity, battery life, and battery interchangeability, also become issues of in the scope of such projects.