The Bagibike B20 is high-quality fat-tire electric bike with a smart electrical system offering several options to enhance your riding experience. In production since 2010, Bagibikes offer both rear and mid-drive powerful motors with advanced software technology enhancing the customers riding experience -- and have a specific niche in the industry for their quality folding models. Adjustable variables include: Power level, speed, and adjustable pedal assist, so riders can maximize their experience by selecting the levels best aligned with their riding style. The mid-drive motor combined with a 7 - 9 speed Shimano shifter, 5 - 9 levels of pedal assist, and 80-100N.M of torque make climbing most any hill or mountain a virtual breeze. The Samsung high-capacity batteries are made of lithium-ion for durability and long-range riding. These eBikes have it all!