Fsa stem os 99 csi carbon gray

the k force os 99 csi stem is 3 d forged and cnc machined from al2014 then it s combined with a carbon structure using our csi carbon structural integration technology csi is a process that permanently bonds carbon to alloy to create a true hybrid product with many of the benefits of aluminum and carbon the final details reduce the os 99 stems weight by using a 4 bolt sculpted al2014 alloy carbon faceplate and titanium hardware details carbon structural integration technology 41mm fork clamp stack height weight 125 grams 100mm ...