Sigurnosni opoziv Travanj 2015

                           model sa podloškom                          

                           Skidanje QR zatvarača (video)    

                           Postavljanje QR zatvarača (video)

                           model bez podloške

                           Skidanje QR zatvarača bez podloške (video)   

                           Postavljanje QR zatvarača bez podloške (video)

                           ili na Trek YouTube kanalu 

                                 https://www.youtube.com/watch?v=YTLgcEViRo0

                                 https://www.youtube.com/watch?v=p0m2Jdfl8To