Fsa omega stemeven our value oriented omega stem benefits from high end manufacturing processes its forged and machined from 6061 t6 available in a choice of eight sizes from 60 to 130mm theres an omega stem to fit your bike and riding style features 3d forged then cnc machined from al6061t6 4 bolt cold forged alloy faceplate chromoly steel hardware finish sand blasted black anodized printed graphics 31 8mm handlebar clamp diameter 40mm fork clamp stack height weight 139g 100mmbuyfsa