The sl sprint stem is an ideal balance of stiffness and light weight. The stem weighs in at just 1.8g per newton meter of stiffness using sram’s exogram technology. Designed with feedback from top pros to meet the unrelenting demands of grand tour sprinters. Zipp also tapped into expertise gained from its pioneering carbon stems and exhaustively researched the marketplace to create the sl sprint stem. The sl sprint comes with its own stem cap that’s designed to be aerodynamically efficient by blending into the stem body. Available in six sizes ranging from 90 to 140mm to meet any rider’s fit needs. Features: - updated distinctive zipp cosmetics - carbon exogram™ construction delivers the stiffest stem on the market gram for gram - secure with four bolt faceplace using torx® t25 bolt heads - matte black finish - zipp quickview integrated mount available separately - lifetime warranty