Purpose-built for the modern road rider, the SES AR handlebar features compound flared drops for confident handling, aerodynamic shaping with internal/external routing options for clean airflow and aesthetics, and a carbon laminate that has been tuned for responsive handling without sacrificing comfort. Built for the IN-Route hidden cable routing to be used with the IN-ROUTE AERO ROAD STEM. Widths from 38 to 46cm in 2cm increments Design optimized for aerodynamics, comfort, and confidence inspired handling Material Carbon Fiber Weight 243g, 245g, 248g, 262g, 280g Sizes 38cm, 40cm, 42cm, 44cm, 46cm Hood Width | Drop Width 38 (38.5cm | 43.2cm)40 (40.5cm | 45.2cm)42 (42.5cm | 47.2cm)44 (44.5cm | 49.2cm)46 (46.5cm | 51.2cm) Clamp Diameter 31.8mm Reach 76mm Drop 127mm Drop Flare 23.5mm Torque Spec Faceplate 5.5Nm Torque Spec Controls 6Nm-8Nm Di2 Compatible Yes Clip-on Aero Bar Compatible No