The fsa omega stem even our value oriented omega stem benefits from high end manufacturing processes itrsquos forged and machined from 6061 t6 available in a choice of eight sizes from 60 to 130mm therersquos an omega stem to fit your bike and riding style fsa omega stem features 3d forged then cnc machined from al6061t6 4 bolt cold forged alloy faceplate cr mo steel hardware plusmn6degtimes60 70 80 90 100 110 120 or 130mm 40mm fork clamp diameter sandbla