Profile Design V4+ Carbon Aero Bar

Item: 50-5703
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This updated aerobar bracket features an aggressive low profile position and is a variation of the T4+ extension bend, featuring a higher rise Ski-bend to compensate for the lower mounting position. Placing the extension mount below the basebar allows for a 2cm drop-in stack over extensions mounting above the basebar, making it the lowest stack available for any clip-on style aerobar system. The F40 TT armrest is slimmer than its predecessor, the F40, and features a strategic offset bolt pattern, effectively doubling the number of arm rest positions with an end result total of 8 armrest positions every 7.5mm, with an extensive 52.5mm adjustment range.


  • Clip-on style carbon aerobars
  • Aggressive low profile position
  • Slimmer, ergonomic armrests
  • Higher rise Ski-bend
  • Strategic offset bolt pattern doubles the number of positions
  • 52.5mm adjustment range
  • L2 Bracket
  • Armrest: F40tt
  • Armrest Stack: 37.5mm
  • Armrest Reach: -31.85mm to -76.85mm (7.5mm Increments)
  • Armrest Width (C-C): 211mm to 343mm (center of basebar to tip)
  • Extension Length Adjustment: 211mm to 343mm (center of basebar to tip)
  • Extension Length: 366mm
  • Extension Height: 84mm
  • Extension Angle: 10°
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