Caution: X-Caliber will get you hooked. It packs all of Trek’s XC race hardtail experience into a light, fast bike that pairs the right wheel size with each frame size.
Nothing beats the efficiency, simplicity and straight-up fun of an X-Cal hardtail in 29er or 27.5". Great for XC racing, or simply shredding singletrack.
Race-ready spec: 2x drivetrain options, lockout, hydraulic discs
Light, precise race frame for a fast, refined ride
Ride the fastest wheel that fits with Smart Wheel Size
Extended size range gives you a better fit for a better ride