From the #WillCycle archives: Aero Bars On A Touring Bike
Aero bars, also called tri-bars, are attached to your bike's handlebars, with the primary purpose to get your body into a far more aerodynamic position. They're mostly used by riders...
https://www.willcycle.com/cycle-touring/aero-bars-on-a-touring-bike/

Aero Bars On A Touring Bike - WillCycle
Aero bars, also called tri-bars, are attached to your bike's handlebars, with the primary purpose to get your body into a far more aerodynamic position. They're mostly used by riders doing time-trials or triathlons (hence the tri-bars moniker) but they do offer benefits outside of those two fields. I recently ordered a set of aero