US Patent 11643166 Bicycle

A bicycle has a bicycle body, a bicycle component, and a battery. The bicycle body has a frame including a down tube, a component mounting portion, and a seat tube. The bicycle component includes a bicycle drive unit. At least a portion of the bicycle component is arranged inside the frame. The battery is mounted on the bicycle to supply the bicycle component with electrical power. The frame further includes a first open portion that is provided on the component mounting portion and opens toward an upper side of the bicycle. At least a portion of the bicycle drive unit is disposed inside the frame and is exposed through the first open portion.