The 2023 Pivot Mach 4 SL GX/X01 build brings high-performance cross-country precision to riders chasing efficiency, speed, and technical capability in a lightweight package. Built around Pivot’s updated DW-Link suspension with 100mm of rear travel, it feels exceptionally responsive under power while maintaining composure on chunkier descents. The carbon frame is light without feeling fragile, and the mixed GX/X01 drivetrain balances crisp shifting with durability for race days and high-mileage training. With progressive XC geometry—longer reach, slacker head angle, and a steeper seat tube—it descends with more confidence than its weight class suggests, while still climbing like a purebred racer. For riders who want podium-worthy performance with real-world versatility, this build delivers a well-rounded package that thrives on everything from short-track loops to marathon epics.