The 2021 Pivot 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. The engineers have pushed the boundaries in every conceivable metric of cross country performance. It’s the lightest, fastest 100mm travel XC race bike Pivot has ever developed. Go ahead, turn yourself inside out and leave it all out on the race course because the 2021 Pivot Mach 4 SL leaves nothing on the table.