Vision Metron 4D Flat M.A.S. J Bend 31.8 x 44cm GreyThe Vision Metron 4D Flat M.A.S. J Bend gives you a slightly lower hand position then older model of 4D bars. In addition the new innovative Modular Aero System (MAS) has a direct mount clip on system for aero bars. Aero-Ergo flat-top riser central section follows natural arc of arms with a 10 degree forward bend for a more ergonomic climbing position and better breathing position. This model features Internal Cable Routing with guides that are compatible with wiring for electronic shifting. The larger internal cable tunnel allows Di2 compatibility. The lever and stem clamping areas are reinforced and textured. There is a stack spacer kit available, sold separately (670-0169000000). This bar measures 31.8mm in diameter, has 125mm drop, 80mm reach, and a 2 degree outward bend. Includes Garmin Mount. The Grey graphics and Reinforced UD Carbon Finish looks better than ever. The 420mm size weighs 733g. Available in 40cm, 42cm, and 44cm lengths.840031046420
