METRON 4D FLAT M.A.S. aerobar

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Continuous carbon composite construction Aero-Ergo flat-top riser central section follows the natural arc of the arms with a 10-degree forward bend for more ergonomic climbing posi tion and easier breathing Cable groove compatible with new Di2 systems w/ larger internal cable tunnel Reinforced and textured lever and stem clamping areas Bar width: center/center from the handlebar tails Stack spacer kit available separately (670-0169000000) Extensions included - J-Bend Garmin mount included WEIGHT 733 grams (W420 – J-Bend) Show more