FSA KWing Compact Drop Handlebars have reinforced and textured clamping areas and a size specific wing section. Aeroergo flat tops with 10mm rise internal cable routing Reinforced and textured clamping areas Wing section diameter is size specific Item Specifications Weight 215g Bar Drop 125mm Bar Clamp Diameter 31.8mm Drop Bend Style Round Bar Reach 80mm Material Carbon Aero BarCross Lever Di