The lightest stiffest best climbing best descending all around fastest xc race bike ever madethe new xc is gnarly the new scalpel si is gnarlierthe new xc is gnarlythe new scalpel si is gnarlierinsane traction without compromiseproprietary ai offset drivetrain delivers super short chainstays for climb winning traction and agile handling without sacrificing mudtire clearance or limiting you to single ring set upsxc agility meets all mountain stabilityoutfront steering geometry gives you