Aerobar system
Profile Design Sonic Ergo 39a
A clip-on aluminium aerobar combining Profile Design's light Sonic bracket, Ergo armrests and 39a extensions with a 39° grip angle. It is the brand's most adjustable clip-on, with armrest width, offset and (with riser kits) stack all adjustable, and it clamps to any 31.8 mm basebar or drop bar.
Fitted to 1 build across 1 bike in the database.
Specs
- Integrated with frame
- No
- Extension shape
- 39° grip angle aluminium extensions, 400 mm, 87 mm rise, 22.2 mm
- Pad stack adjustment
- 60 mm minimum, up to 130 mm with riser kits (5 mm steps)
- Pad width adjustment
- 124-290 mm in 18.5 mm steps
- Material
- 6061-T6 aluminium
- Weight
- 586 g20.7 oz
- Notes
- Clamps to 31.8 mm bars (26.0 mm with shim kit). Armrest offset -70 to -17.5 mm in 7.5 mm steps; Ergo armrests with 10 mm pads. Weight: bracket 234 g, armrests 130 g, extensions 222 g (listed total 586 g; spec table also says 564 g).
Bikes that come with it
| Bike | Build | Price (MSRP) | Integrated with frame |
|---|---|---|---|
| Argon 18 E1172025 | E117 Shimano 105 | $4,399$4,399$4,399 | No |