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2026 Argon 18

Nitrogen Pro SRAM RED AXS

A carbon frame aero bike with ultra high-end components and hydraulic disc brakes.
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Manufacturer Price

$14,499
FrameCarbon
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 12 Electronic
GroupsetRED AXS
Power MeterRed AXS
BrakesHydraulic Disc
View on argon18.comLearn about Argon 18
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Nitrogen Pro SRAM RED AXS
Other Aero bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

41 mph

Nitrogen Pro SRAM RED AXS

40 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

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Price History
Reviews
Cyclist
Argon 18 Nitrogen Pro review: First ride on the brand’s revived aero bike

Sep 2025 · Laurence Kilpatrick

We last tested an Argon 18 bike in 2024, putting the brand’s aerolight Sum Pro race bike through its paces.

Highs
  • Looks fast and is fast

  • Designed around generous 30mm tyres

  • Excellent new cockpit

  • No-expense spared finishing kit

Lows
  • 65mm rims catch crosswinds

Read Review

Geometry
Specs
Build
Frame

Nitrogen Pro

BB StandardT47, Threaded

Tire Clearance32c

ColorAurora Charcoal

Fork

Nitrogen Pro

Bottom Bracket

CeramicSpeed T47 DUB Coated

Headset

IST3 - CeramicSpeed SLT Bearings

Handlebar

Ciclovation LEATHER TOUCH Tornado Gloss

Saddle

Repente Quasar CR 2.0

Seatpost

Argon 18 Nitrogen Pro

TypeRigid

Groupset
Rear Derailleur

SRAM RED AXS

Front Derailleur

SRAM RED AXS

Crank

SRAM RED AXS Powermeter 48/35

Power Meter

SRAM RED AXS Powermeter 48/35

Shifters

SRAM RED AXS Shifter Set

Cassette

SRAM XG 1290 E1 10-33

Chain

SRAM RED

Brakes

Hydraulic Disc

TypeHydraulic Disc

Wheels
Rims

ATTEN X Scope Artech 6.A+

Tires

Vittoria Corsa Pro TLR 30c

Disc Rotors

SRAM Centerlock Paceline X / F:160mm R:140mm

Rider Notes
Riders Also Viewed

First added September 13

Last updated June 20