The Aduro 2.1 is the perfect combination of performance and comfort. A helmet that can keep up with any speed and is aimed at all ambitious bikers. ith its intelligent features, perfect fit and high standards for absolute safety, the Aduro 2.1 is always the right choice for cycling. This helmet is at home everywhere; whether in the vastness of the country road or on the demanding trails in the forests and mountains. Maximum comfort, optimum ventilation and perfect safety are guaranteed.