Profile Design Hammer Road Stems are constructed of 3D forged 6061T6 aluminum and can be used at 80 or 100 degrees. 3D forged 6061T6 aluminum construction Shot peened and anodized finish for added strength and durability Compatible with Lightning Stryke Aerobars with flip up pads. Fits AL6000 40mm Height 26.0 handlebars Includes 1 shim Stem Length 8090100110120 mm Stem Angle 100 deg80 deg Color Black Bar Clamp Diameter 26.0 mm Steer