Tower lock
Straight onto your riser tower
Variable angle risers bolt to the towers your extensions already use. No adapter plates and no stacked spacers.
FedEx ExpressInternational shipping, 1–4 business days
Free shipping in the EUFlat €25 to US, UK, AU, CH & NZ
Angled risers includedCNC 7075, not an upsell
Made in DenmarkPrinted to order
A faster bike split, and legs that still work.
Aero only pays while you’re actually in position. A one-piece shell sized on hundreds of measured athletes, on risers that bolt straight to your bike’s towers — under €1,000, risers in the box.
Valdemar Solok
Training toward Nice
On the Aero Cockpit, ahead of the IM 70.3 World Championship.
Hours on the road, in the position, long before the race that counts.
Highlights — Aero Cockpit
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Reach range
Reach and angle, set on the bike
70 mm of reach and 15–30° of angle, adjusted with the cockpit mounted. Tap through the settings — a fit session, not a reorder.
Swap grip
Grips off in two bolts
Mono or double, SRAM blips or wired Shimano. Tap through them — test both instead of guessing, and keep the cockpit when you change groupset.
Mono shell
One surface, not two
A continuous carbon-cored shell instead of two armrests with a hole between them. The air stops separating between your forearms.
Round flow
The rounded underside
Leads air around the section and holds flow attached for longer — significantly faster than monocoque cockpits built on more angular designs.
Brace wall
High sides that work twice
They guide air past the forearms and give you something solid to brace against. Aerodynamic and structural, from one surface.
Fit matrix
Sized on hundreds of athletes
We built custom cockpits first, one athlete at a time. Hundreds of fits later the pattern was clear enough to make three sizes out of it.
Soft cover
Arrives protected
Delivered in a high-quality velour protective cover inside the AeroGain box, so it reaches you unmarked.
Find your size
Two measurements: one off the bike you ride now, one off your own arm. If you haven’t measured either yet, rider height is a reasonable starting point.
On your current setup
Armpad width
Outer edge of the left cup to the outer edge of the right cup. This is the outside width — pad width is often quoted centre to centre elsewhere, so measure your current setup the same way before you compare the numbers.
On you
Forearm length
From the tip of your elbow bone to your wrist.
| Size | Armpad width | Forearm length | Rider height |
|---|---|---|---|
| S | 20 cm | 27 cm | Up to 174 cm |
| M | 24 cm | 29 cm | 175–185 cm |
| L | 28 cm | 31 cm | 186 cm and over |
Between two sizes? Go up, on both.
Height is a starting point, not the rule — the two measurements decide it. Aim for the narrowest width where you can still tuck your shoulders in behind your arms and hold it for your full race distance. Narrower than that and you lose the shoulder tuck, which gives back more than the width saves.
A cup shorter than your forearm leaves the last part of it unsupported, and support along the whole length is the point of the shape. Each size carries 70 mm of reach and 15–30° of angle, so the size sets your width — not your whole position.
If sizing up isn’t a trade you want to make, that is what the Custom Aero Cockpit PRO is for: built to your number rather than the nearest of three.
Easy to mount on all compatible bikes
Shown on a Specialized S-Works Shiv TT. The sequence is the same on every listed frame with two riser towers.
010:05
Strip the front end
Extensions and pads off. This is where you start.
020:10
Risers on
Both halves of the angled riser onto the towers. Mount with a recessed nut and a bolt from beneath, or a bolt from above as in this video.
030:13
Nuts and pole clamps
Nuts seated, then the pole clamps slide onto the cockpit itself.
040:12
Cockpit on, torqued
Down onto the risers and torqued to spec.
050:13
Reach adjusted
70 mm of reach, set with the cockpit mounted.
060:07
Angle adjusted
15° to 30°, also set with the cockpit mounted.
070:09
Cables routed
Through the cockpit and out of the wind.
080:11
BTA spacer and cages
The Aero BTA spacer set and bottle cages mount to the cockpit.
090:18
Grips swapped
Off in two bolts. Mono or double, SRAM blips or wired Shimano.
All components and sizing
Cockpit
ConstructionCarbon fibre core, 3D-printed shell
StructureOne-piece, integrated armcups
SizesS / M / L
Weight645 g — size M, cockpit only
Risers and mounting
Riser materialCNC-machined 7075 aluminium
Angle range15°–30°, continuously adjustable
Fore-aft reach70 mm
InterfaceTwo riser towers
Riser torque6 Nm
Grips and controls
Grip optionsMono · double · narrow · wide · long
Blip compatibilitySRAM eTap AXS · wired Shimano / SRAM
Grip changeTwo bolts
In the box
CockpitIn your size, printed for your frame
Angled risersIncluded
Pole clampsIncluded
GripsYour chosen pair
Computer mountGarmin or Wahoo
PaddingIncluded
Protective coverVelour, inside the box
Lead time, warranty, returns and origin
Lead timeApprox. 2 weeks
First production runLimited to 40 cockpits
Warranty2 years
Returns30 days
Country of originDenmark
Armpad width, outside to outside20 cm
Forearm length, elbow bone to wrist27 cm
Rider height, as a starting pointUp to 174 cm
Reach adjustment70 mm
Angle adjustment15°–30°
Armpad width, outside to outside24 cm
Forearm length, elbow bone to wrist29 cm
Rider height, as a starting point175–185 cm
Weight, cockpit only645 g
Reach adjustment70 mm
Angle adjustment15°–30°
Armpad width, outside to outside28 cm
Forearm length, elbow bone to wrist31 cm
Rider height, as a starting point186 cm and over
Reach adjustment70 mm
Angle adjustment15°–30°
Between two sizes? Go up. A cup shorter than your forearm leaves the end unsupported, and a narrower one is harder to hold for four hours. Measure armpad width outside edge to outside edge — not centre-to-centre. Height is a guide; the two measurements decide it.
Frequently asked
S 20 cm, M 24 cm, L 28 cm armpad width, with 27 / 29 / 31 cm forearm length. As a starting point, rider height up to 174 cm is S, 175–185 cm is M, and 186 cm and over is L — but the two measurements decide it. Between two sizes, go up.
13 frame platforms — open the Bike model list above to see them. Frames with their own native mounting, such as Argon 18 E-series, Cervélo P5 / P5X / P3X, Shiv Disc Tri and Quintana Roo PRSix, are covered by the Custom Aero Cockpit PRO at €1,249.90. Anything else, write to us with the model.
International orders go with FedEx Express, 1–4 business days. Free within the EU; flat €25 to the US, UK, Australia, Switzerland and New Zealand. Denmark ships with Shipmondo. Exact cost is shown at checkout.
Yes. CNC-machined 7075 aluminium, part of the €999.
The Aero Cockpit in your size, printed for your frame; CNC-machined 7075 aluminium angled risers, 15°–30°; the pole clamps that join the two; your chosen grips; and a computer mount, in a velour protective cover. BTA systems are ordered separately.
Same shape, same risers, same grips. Built to your width instead of the nearest of three. €400.90 more.
70 mm of reach and 15–30° of angle, both set on the bike. Width is fixed by the size you choose.
Two-year warranty, and 30 days to return it.
We built it. They raced it.
★★★★★The AeroGain mono arm rest completely changed my position. It gave me the stability and support I needed to hold aero for longer — and I felt the difference straight away.
Kate Waugh, T100 Singapore Champion
The fastest setup is the one you actually use.
€999, angled risers included. Three sizes.
