High-modulus, unidirectional carbon fiber flanges are wrapped over a honeycomb structure, producing the uncompromising stiffness that pro racers demand. The drive side flange is flat, which maximizes space for the cassette. The non-drive side is lenticular—a perfect solution to minimize drag. In certain wind conditions, the wheel produces forward lift and can generate its own momentum when a certain speed is reached. Its unique Exalith 2 rim technology provides consistent and reliable braking in wet and dry conditions.