Premium aluminum handlebars with integrated cable routing. Aerodynamic Cable Routing (ACR) Integrated Aluminum Alloy Construction 7° Forward Angle Cable Routing Groove Compatible with New Di2 Systems with Larger Internal Tunnel Ø31.8 mm x W380+10 mm, 400+10 mm, 420+10 mm, 440+10 mm (c-c) 125mm drop, 90mm reach 4˚ outward bend Finish: Black Anodized 310 g (420 mm) Type Handlebars Color Black Series TRIMAX Discipline ROAD, TRIATHLON Material Alloy Shape Design compact Clamp Diameter 31.8