Gravity Defying Cross Country Rocket Ship The all-new 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 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. Featuring Sram X01 Drivetrain and Sram Level Brakes!

XS - seat tube, should fit a rider 4'10"+

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