The Sonic/Ergo/45AR aerobar offers comprehensive yet simple adjustment, ideally suited to riders wishing to add aerobars to their road, gravel or packing bike. Performance The Sonic/Ergo platform offers a large range of adjustment in every dimension – enabling riders to optimise the comfort of their position. This bar can be used for draft legal triathlon once shortened to meet the ITU rules. Bracket The Sonic bracket is the core product of our new generation bars, offering simple yet comprehensive adjustability. Pairing this bracket with the ergo armrest offers industry leading fit options and greater comfort. With the 45AR extensions this is the most versatile DL style bar we’ve ever products. Origin Profile Design has a long history with shorty/DL style bars. This is our latest offering and the most adjustable yet. We wanted to create a bar that would be an easy and comfortable addition to road, gravel and packing bikes