Metron Aero handlebars combine the proven ergonomics and aerodynamics of Metron 4D Flat handlebars with an enlarged top surface for additional hand positioning. Removing the MAS mounting system creates a cleaner look for riders not interested in mounting clip-on aerobars. 10° Advance angle Rope groove compatible with new Di2 systems with larger internal tunnel for cable Ø31,8 mm x W380+10 mm, 400+10 mm, 420+10 mm, 440+10 mm (c-c) Drop 125 mm, reach 80 mm 2˚ outward bend 230 g (420 mm) Type Handlebars Color Neutral Series METRON, NO SERIES Discipline ROAD, TRIATHLON Material Carbon Shape Design Compact Clamp Diameter 31.8