Metron 4D Flat M.A.S. Handlebar Mountain • Precision-made alloy frame with

• Precision-made alloy frame with corrosion-resistant hardware

• Orbit C-40 CX Integrated Headset {H2179} 16

• Solid forged alloy crank arms

• Precision CNC machined AL7075/T6

• Classic cork feel for grip

Metron 4D Flat M.A.S. Handlebar Mountain • Precision-made alloy frame withThe Metron 4D Flat combines the superb ergonomics and aerodynamics of the Metron 4D, with a lower hand position and an innovative optional Modular Aero System (MAS) direct mount clip on system for additional versatility. Aerodynamic integrated Cable Routing (ACR) recommend for electronic shifting only Listing for handlebar ONLY Extensions, spacer kit, bridge, and computer mount available separately SIZING 31. 8mm x W380+10mm, 400+10mm, 420+10mm,