The Zipp SL Sprint Stem is a lightweight and versatile piece of equipment that focuses on stiffness and pushing the pace. It is made with a unidirectional carbon fiber for a featherweight build that packs a ton of power. It also boasts an incredibly stiffness to weight ratio, making it an explosive sprinter without adding weight. The SL Sprint Stem was designed with feedback from some of the top pros in the world including Grand Tour sprinters. It comes with its own aerodynamically optimized stem cap which efficiently blends into the stem body. This version has a rise of 12 degrees and is available in six different length options. Note that this version accommodates 1 1/8-inch steerer tubes. The Zipp SL Sprint Stem is an elite piece of equipment that will keep you in the proper position and help drop time on the most challenging rides.