How do you take something known for its incredible ride, weight, and stiffness and make it better? Building it from carbon usually does the trick. Pivot's Mach 429 Carbon rocks a light, stiff carbon frame and dw-link suspension to give you unrivaled climbing traction and bob-free acceleration. And this thing is seriously stiff, too, with a 92mm-wide BB, stout 142x12mm rear through-axle, tapered head tube and a 1-piece carbon rocker, all of which combine for a bike that responds and corners like a dream. Plus, a 120mm Fox fork, an X9 rear derailleur, light DT Swiss wheels, and Magura discs let the 429 accelerate like an XC racer and descend like a trail bike.