Gravity Defying Cross Country Rocket Ship The Mach 4 SL is designed to let World Cup level athletes capitalize on every inch of increasingly technical courses and generate speed where others hesitate. Our engineers have pushed the boundaries in every conceivable metric of cross country performance. It's the lightest, fastest 100mm travel XC race bike we've ever developed. Go ahead, turn yourself inside out and leave it all out on the race course because the new Mach 4 SL leaves nothing on the table. 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. The new Mach 4SL is over 300 grams lighter than its feathery predecessor, the Mach 429 SL—that's 3/4 of a pound! Optimized tube shapes, a more compact frame design, exotic hi-mod materials, and a dual upright, reinforced swingarm push strength and stiffness while allowing weight to be shaved everywhere. More weight evaporates with an integrated headset and race-proven carbon suspension bearing pockets that leave almost no metal in the frame. Steep climbs and sharp accelerations never felt so good—or fast. Short or Tall, it Fits Them All Proper fit is critical to maximizing our body's output, so we made sure the Mach 4 SL fits the widest range of riders and all genders without compromise. The extra-small size fits riders down to 4'10" with a lower standover height than even our Mach 4 Carbon with 27.5" wheels, and the extra-large size fits riders up to 6'7" tall. A shorter stack, longer reach, and steeper seat angle put you in a powerful position to churn out the watts mile after mile. Size-specific carbon layups and shock tunes make sure all riders experience the same cutting edge performance and ride across the size range.
Crazy Fast Meets Ridiculously Capable There's a dizzying range of bikes out there these days—XC, trail, all-mountain, enduro...What if you just want a bike that rips on nearly every trail? This is that bike. The Trail 429 is brilliant just about everywhere. It accelerates and climbs like a cross-country bike yet more than holds its own on tough terrain. We took the original Mach 429 Trail, completely reshaped the chassis, and gave the bike a truly progressive geometry. The Trail 429 is even more capable on technical terrain than its predecessor yet doesn't sacrifice a thing in the quick and nimble departments. Effortless handling, incredible power transfer, and blazing acceleration are what set the Trail 429 apart from so many other trail bikes. Lightweight, Capable, and Perfectly Balanced The best trail bikes are neither whippy nor overbuilt. They are, in a word, balanced. We sweat the details—painstakingly developing the precise mix of resins, composite fibers, lay-orientation, and frame shaping to create a chassis with the perfect blend of strength and stiffness. We've also given the Trail 429 many of the same strength and stiffness-enhancing features that you'll find on our gravity-oriented bikes, including a double-wishbone rear triangle, Super Boost Plus rear axle spacing, ultra-wide suspension linkages, and burly bearing assemblies. With the Trail 429, we've upped the ante on downhill performance without any loss in versatility. Tuned for the Trail Dave Weagle's dw-link design is renowned for providing great traction and downhill control without adding energy-sucking suspension bob or "squat"—that's also why it's the heart of the Trail 429. We've paired that class-leading dw-link suspension with custom-tuned Fox Float DPS (Dual Piston System) that give the Trail 429 120 millimeters of smooth and controlled rear suspension. The metric-sized Fox DPS shock features an extremely positive "firm" position that makes easy work of long fire-road climbs. To match the Trail 429's deep-feeling rear suspension, we've equipped each model with a 130mm Fox 34 suspension fork.
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