Vision Metron 4D flatbar

The Metron 4D Flat combines the superb ergonomics and aerodynamics of the Metron 4D, with a lower hand position and an innovative Modular Aero System (MAS) direct-mount clip-on system for additional versatility. Reinforced carbon fiber construction gives a great strength-to-weight ratio. The 4D features internal cable routing, with guides that accommodate wiring for electronic shifting.

• 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
• Drop: 125mm
• Reach: 80mm
• 2° outward bend
• UD carbon finish
• Weight: 267 grams (420mm)
• Clamp Diameter: 31, 8 mm