Black Inc AB03 Integrated Aero Barstem With Extensions MISC Wingflex: the shell's side edges

Wingflex: the shell's side edges flex and adapt to rider's inner leg movement

150 8 hrs Steady Pulse

S-Works Era - 2009-2012

The carbon spoke construction not only looks stunning

year after year

Black Inc AB03 Integrated Aero Barstem With Extensions MISC Wingflex: the shell's side edgesETA :: 6 weeks from order The Integrated Aero Barstem with Extensions takes the exceptional performance of the Integrated Aero Barstem and adds direct mount aero extensions to create a cockpit of unrivalled speed and versatility. Its fast in three ways: with the extensions mounted the Integrated Aero Barstem with Extensions is ready to add speed and comfort to any ride, from gravel racing to triathlon to bikepacking; without the extensions, its a