Its built with Super Light OCLV Mountain Carbon & delivers the unique trail-smoothing advantage of Iso Speed, which takes the edge off fatiguing bumps in the trail so you can stay stronger longer. The SL OCLV Carbon frameset is the ideal start to an obscenely lightweight cross country build Iso Speed is a real advantage, & you cant find it in any other hardtail family Control Freak Cable Management means that you can run any combination of cables exactly the way you want, while still giving you sleek looks & protecting your cables against unnecessary wear