When quality and precision are top priority, I9 is the brand. The A35 stem is machined, anodized and assembled entirely in Asheville, NC. Industry Nine controls every stem of the process - from raw material to machining to anodizing to assembly. The 'A' in the A35 name comes from the A-axis of the five-axis machining used to manufacture the stem body and faceplate. The '35' comes from the oversized handlebar clamp diameter. Features: American-made in Asheville, North Carolina Increased strength and stiffness in the cockpit thanks to the 35mm bar clamp Specification: Weight: 130g Angle: 9 degree Length: 32mm Material: Stem: 7075 aluminum, Bolts: 316 stainless steel Clamp Diameter: 35mm Steer Tube Diameter: 1 1/8in Stack: 42mm