At only 900 grams the Nine FRD is Felt's stiffest and lightest hardtail. Nine FRD is engineered with UHC Nano TeXtreme® carbon– new spread-tow carbon that is stronger, stiffer and lighter than standard carbon fiber. TeXtreme® Spread Tow carbon uses flat carbon tapes instead of round strands; fiber density is higher. This means more structural carbon and less resin. TeXtreme® Spread Tow carbon is the engineering that makes the Nine FRD our fastest hardtail ever.