Metron 4D Flat M.A.S. Bar w/ J-Bend Extensions Drivetrain spacer kit

spacer kit

• 20mm setback

• Upper : 36°/ 45° ACB (Grey seal)

• Anodized black finish

45°/ 45° ACB (for BMX/ freestyle)

Metron 4D Flat M.A.S. Bar w/ J-Bend Extensions Drivetrain spacer kitThe 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 J Bend extensions included, S Bend available separately Includes spacer kit, bridge, and computer mount SIZING 31. 8mm x W400+10mm, 420+10mm, 440+10mm