Profile Design Sonic/Ergo 39A Tri Bars Shokz Drivetrain features 175 mm two-piece

Drivetrain features 175 mm two-piece tubular chromoly hollow spindle cranks with a 25T aluminum chainring and mid sealed bearing bottom bracket

/ Travel 120-80-Lockout / T165X45mm

Fleece laminate on the inside keeps your toes warm

so you can feel good about really working up a sweat

Get the classic shape of Frogskins paired with the trigger stem design of Oakley’s iconic Razor Blades

Profile Design Sonic/Ergo 39A Tri Bars Shokz Drivetrain features 175 mm two-pieceThe Sonic bracket offers an extensive fit range, low weight and easy adjustment along with minimal frontal area. Combining this with the Ergo armrest creates an aerobar that will aid most riders in optimizing their position for both speed and comfort. The 39a extensions have a 39 for the grip . The rider can choose whether to hold high for the shrugged position or low for a more open, head up position.