Alyx Vance Beta ported for Half Life 2 (FINAL) by MaxiFX on DeviantArt Chaine Sram PC XX1 Eagle 12s Copper. Chaine Sram PC XX1 Eagle 12s Copper A chain thats more than the sum of its hollow pins or its fanatically shaped chamfers. Because it takes more to make a chain XX1 Eagle worthy. XX1 means uncompromising strength at an ultra light weight with performance consistency and silky smooth, whisper quiet operation. Now completed with our all new Eagle Colorsystem setting the aesthetic bar and giving riders color options from Black to Gold to Rainbow, including all new Copper. Features Unique design features provide significantly improved wear resistance. All new Eagle Colorsystem facilitates dream build curation. Designed and manufactured in our European facilities, its the quietest, strongest and most wear resistant chain in the world.