This document describes the design and components of a solar powered electric bicycle. Key points: 1. The bicycle is upgraded to be powered by a hub motor connected to a battery. Solar panels mounted on the bicycle charge the battery to power the motor. 2. The solar panels convert solar energy to electrical energy which is stored in the battery. A solar controller regulates the battery charging. 3. Components include the bicycle, solar panels, battery, hub motor, controller, and throttle. Calculations are shown for battery specifications, motor power, and weight distribution. 4. The working involves the solar panels charging the battery, which powers the hub motor via the controller to propel the bicycle using both solar