Features: Made for round 1 1/8 inch steerer tubes.31.8mm round clamp fits drop and flat handlebars.Integrated aero design unifies the top cap, cables and spacers with the head tube for improved aerodynamics.Premium alloy design delivers maximum stiffness and light weight.Easy cable management guides cables under the handlebar and into the side and underside of the stem for optimized aerodynamics and a clean look.-10° angle.Available in eight lengths from 80mm to 140mm.Specifications:Weight: 190g (100mm)Length: 70/80/90/100/110/120/130/140mmAngle: -10°Bar Clamp Diameter: 31.8mmSteerer Tube Clamp Diameter: Round, 1 1/8 inchStack Height: 40mm