Easton's lightest aluminum stem is the choice of road racers and top XC pilots alike. The advanced EA90 aluminum tubing and 3D forging process results in a perfect blend of strength and weight. Easton's patented DST distributes clamping forces more evenly over a larger area, making it the perfect stem for today's lightweight aluminum and carbon handlebars. - 3D Forged EA90 Alloy - Top Lock Faceplate provides secure and safe connection to alloy and carbon handlebars - Distributed Stress Technology calms are designed to match the needs of lightweight carbon and alloy handlebars"