Features:Made for OverDrive Aero steerer tubes only.Integrated aero silhouette unites the stem cap, spacers and head tube for aerodynamic advantage.Ultra-light alloy design delivers maximum stiffness at a superlight weight.Easy cable management guides all cables under and inside for optimized aerodynamics and a clean look.Fits current generation Contact Aero or Contact D-Fuse handlebars.-10° angle.Available in eight lengths from 80mm to 140mm.Specifications:Weight:161g (100mm)Length: 70/80/90/100/110/120/130/140mmAngle: -10°Bar Clamp Diameter: 31.8mmSteerer Tube Clamp Diameter: D-shaped OverDrive Aero, 1 1/4 inchStack Height: 40mm