LVWA 3k full Carbon fiber MTB Bike handlebar+stem, 620mm*110mm HB032L The new HBL03 carbon handlebar adapts the advanced airfoil top section to be more aerodynamic at the angles most commonly found in a drop bar setup. Internal cable routing and a sculpted top section provide comfortable hand positioning, while the broad profile and stiff carbon fiber layup yield a responsive ride quality. Even so, the HBL03L weighs just 248 g