What are the main differences between a carbon and aluminum road bike, and which material would be more suitable for my cycling needs?

The main differences between a carbon and aluminum road bike are weight, stiffness, and cost. Carbon bikes are lighter and more stiff, providing a smoother ride, but they are typically more expensive. Aluminum bikes are heavier and less stiff, but they are more affordable.

If you prioritize a lightweight and smooth ride, a carbon road bike would be more suitable for your cycling needs. However, if cost is a concern and you don't mind a slightly heavier bike, an aluminum road bike could be a good option. Ultimately, the best choice depends on your budget and preferences.