Carbon frame, carbon wheels, and carbon seat post make it a lightweight performance bike.; The IsoSpeed decoupler provides an incredibly smooth ride and prevents you from being jostled by small bumps on the trail.; The Straight Shot down tube increases stiffness and improves handling without adding extra weight, while the Knock Block headset protects your frame from contact with the fork crown or handlebars.; Carbon rims reduce unsprung and rotating mass, allowing you to ride faster with less effort.