Back to top

This product is no longer available, but don't go just yet.


  • Ultralight carbon fiber extensions feature a flattened S-bend shape with ergonomic hand grips; extension length can be adjusted for optimal positioning and comfort
  • F-35 armrests boast a high degree of adjustment—including width, angle and rotation—letting you precisely dial in your fit
  • Forged 6061-T6 aluminum J4 mounting brackets fit both 26.0 and 31.8 mm handlebars and allow both the width and the angle of the extensions to be adjusted for a tuned position


View all Profile Aero Bars

REI membership


Best Use Triathlon
Material(s) Carbon fiber / aluminum
Dimensions (Clamp diameter) 26.0 / 31.8 millimeters
Weight 584 grams