Grupo ADI participates in the mountain bike race 4 islands , always faithful to its passion for sports. It is an international stage race on four Kvarner islands.
Participants compete in teams of two. Over five days, they cover 300 km and climb a total of 5,500 meters. The route passes through some of the most beautiful places on the islands of Krk, Rab, Cres and Losinj.