When the terrain is fast and the climbs are steep, this is the race bike of choice for Giant XC pros like MTB Marathon World Champion Leo Páez. The XtC Advanced SL 29 boasts World Cup pedigree and a progressive frame design that achieves the lofty goal of being the lightest off-road machine ever built by Giant. The chassis is handcrafted with pro-level Advanced SL composite, featuring geometry that’s optimized for its balanced, stable and fast-rolling 29-inch wheels. Every frame is custom assembled with a specific composite layup schedule that varies according to frame size. The result? Supercharged climbing efficiency, smooth compliance through roots, rocks and ruts, and uncompromising performance to match your XC obsession.