METRON 4D FLAT M.A.S. aerobar

• 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 position 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)