2018 Trek Procaliber 9.8 SL is a performance hardtail mountain bike for XC racers and serious riders. It has an ultra-lightweight SL OCLV Mountain Carbon frame with trail-smoothing IsoSpeed and a host of pro-level performance parts, including carbon wheels, a SRAM GX Eagle 1×12 drivetrain, and a lightweight RockShox SID RL fork. There’s no getting around it: this bike was made to win.