Want a 29er that delivers big-wheeled speed with quick, agile and lively handling? You got it—Pivot's Mach 429 goes from the race circuit to the techy backwoods with equal tenacity. Thanks to its light aluminum frame and dw-link suspension, this rig gives you unrivaled climbing traction and bob-free acceleration. Stiffness is key, especially with 29ers, so the 429 boasts a 92mm-wide BB, stout 142x12mm rear through-axle, tapered head tube and a 1-piece carbon rocker, all of which combine to give you a bike that responds and corners like a dream. Plus, a 120mm Fox fork, SRAM's ready-to-go 2x10 X9 group, zippy DT Swiss wheels and Avid Elixir discs let the 429 rip like a purebred racer and descend like a true trail bike.