Wider Kovee Elite 30 wheels improve tire support, allowing you to ride with lower tire pressure for more traction.; Shimano XT ensures smooth, precise, and easy gear shifts.; The IsoSpeed decoupler provides an unbeatably smooth ride and prevents you from being shaken by smaller bumps on the trail.; The Straight Shot downtube increases stiffness and improves handling without adding extra weight, while the Knock Block headset protects your frame from contact with the fork crown or handlebar.;