Profile Design Aerobar 43a Allow Extensions | 400mm

The 43a extension offers a 'wrist relief' style bend that is intended to allow the extension to hug to the arm for improved aerodynamics without sacrificing wrist comfort. The 43 degree grip angle is based on testing with riders to find a common neutral configuration.

Profile Design had great success with the T3 extension from our previous range of bars. The 43a is an enhanced version of that popular extension with more precise shaping to follow the riders arm.

Extension Length: 400mm
Extension Angle: 43 Degrees
Extension Rise: 80mm (bottom to top)
Outer Diameter: 22.2mm
Offset: 7.5mm
Weight: 110g/pair
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