The mavic open pro c rim open pro c is the latest version of mavic open rims and as such is the most advanced evolution optimized up to the limit of material potential open pro c is probably one of the best road aluminium clincher rims available mavic open pro c rim features material 6106 aluminium alloy maxtal exclusive to mavic this specific aluminium alloy offers a higher strength to weight ratio than conventional 6106 alloy sup soudeacute us