What are the key features to consider when purchasing a giant street bike?

When purchasing a giant street bike, key features to consider include the frame material, wheel size, gear system, suspension, and overall fit and comfort. The frame material should be durable and lightweight, while the wheel size should be suitable for street riding. The gear system should offer a wide range of options for different terrains, and the suspension should provide a smooth ride. Lastly, make sure the bike fits you well and is comfortable to ride for long distances.