Pivot Mach 4 SL, Pro XT Build

The Mach 4 SL balances the diverse needs of the modern cross-country racer; it can be competitively raced on a short-track course one weekend or at an epic endurance race the next. It’s the right combination of comfort, control and speed that makes the Mach 4 SL such a pleasure to ride. - MOUNTAIN BIKE ACTION WEIGHTY GOALS Cross country racers know that every gram counts. Pivot’s engineers didn’t set out to cut a few grams – they insisted on slashing hundreds. Starting at 1845 grams, the Mach 4 SL takes a front-row seat in the ultralight full suspension category and has the best stiffness to weight ratios we've ever created. OUR ENGINEERS PUSHED THE BOUNDARIES Optimized tube shapes, a more compact frame design, exotic hi-mod materials, and a dual upright, reinforced swingarm push strength and stiffness on this gravity-defying cross-country rocket ship. Pivot’s full carbon frame feature size-specific ride tuning, leading-edge carbon fiber materials, and Pivot's proprietary ho