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The Argon 18 Nitrogen Pro is the ultimate expression of speed, precision, and lightweight engineering. Built for riders who demand every watt counts, this aero road bike delivers unparalleled performance on flat sprints, long climbs, and fast-paced group rides. Its advanced carbon frame blends aerodynamic efficiency with race-proven stiffness, giving you confidence and control at every turn.
Designed with integration in mind, the Nitrogen Pro features fully internal cable routing, a sleek IST3 headset, and a cockpit optimized for clean lines and reduced drag. Argon 18’s meticulous attention to tube shaping ensures the perfect balance of stiffness, compliance, and aerodynamics, letting you push harder without compromise.
The bike is equipped with the exclusive ATTEN x Scope Artech 6.A+ wheelset, a collaboration that combines cutting-edge aero performance, lightweight construction, and remarkable stiffness for explosive acceleration and precise handling. Paired with a high-end Ultegra Di2 drivetrain and precision brakes, the Nitrogen Pro delivers flawless shifting, braking, and control at the touch of a button.
At HYPT Bike Performance, we ensure every Nitrogen Pro is dialed in for optimal fit and performance. From cockpit setup to drivetrain tuning, our team makes sure your ride feels as fast as it looks.
For riders chasing speed, precision, and an uncompromising edge, the Argon 18 Nitrogen Pro with ATTEN x Scope Artech 6.A+ wheels is ready to transform every ride into a race-winning experience.
Geometry
|
Size |
XXS (44–46) |
XS (47–50) |
S (51–53) |
M (54–56) |
L (57–59) |
XL (60–62) |
|---|---|---|---|---|---|---|
|
Seat Tube Height (cm) |
39.5 |
42.5 |
46.0 |
50.5 |
55.0 |
59.5 |
|
Seat Tube Angle (°) |
75.0 |
74.5 |
74.0 |
73.5 |
73.0 |
72.5 |
|
Head Tube Angle (°) |
71.2 |
72.1 |
72.7 |
72.7 |
72.7 |
73.0 |
|
Top Tube Length (cm) |
50.2 |
51.9 |
53.7 |
55.7 |
57.8 |
60.1 |
|
Chainstay Length (cm) |
41.0 |
41.0 |
41.0 |
41.0 |
41.0 |
41.0 |
|
Wheelbase (cm) |
96.7 |
97.2 |
97.5 |
99.0 |
100.6 |
102.0 |
|
BB Drop (cm) |
7.1 |
7.5 |
7.9 |
7.9 |
7.9 |
7.9 |
|
Head Tube Length (cm) |
8.1 |
9.7 |
11.3 |
13.8 |
16.5 |
19.2 |
|
Standover Height (cm) |
68.2 |
70.6 |
73.4 |
77.2 |
81.0 |
84.8 |
|
Fork Rake (cm) |
4.9 |
4.9 |
4.5 |
4.5 |
4.5 |
4.5 |
Fit – Stack & Reach
|
Size |
XXS |
XS |
S |
M |
L |
XL |
|---|---|---|---|---|---|---|
|
Stack (cm) |
48.6 |
50.8 |
53.1 |
55.5 |
58.0 |
60.7 |
|
Reach (cm) |
37.0 |
37.7 |
38.4 |
39.2 |
40.0 |
40.9 |
Saddle Height Range
|
Size |
XXS |
XS |
S |
M |
L |
XL |
|---|---|---|---|---|---|---|
|
Saddle Height Min (cm) |
56.5 |
59.5 |
63.0 |
67.5 |
72.0 |
76.5 |
|
Saddle Height Max (cm) |
71.5 |
74.5 |
78.0 |
82.5 |
87.0 |
91.5 |
Build Specifications
Frameset
|
Component |
Specification |
|---|---|
|
Frame |
Argon 18 Nitrogen Pro |
|
Fork |
Argon 18 Nitrogen Pro |
|
Headset |
IST3 – CeramicSpeed SLT Bearings |
|
Integrated Cables |
Yes |
Wheels & Tires
|
Component |
Specification |
|---|---|
|
Wheels |
ATTEN x Scope Artech 6.A+ |
|
Tires |
Vittoria Corsa Pro TLR, 700×30c |
|
Maximum Tire Clearance |
32c (34 mm measured) |
Drivetrain
|
Component |
Specification |
|---|---|
|
Bottom Bracket |
CeramicSpeed T47 Coated |
|
Front Derailleur |
Shimano Ultegra Di2 R8150 |
|
Rear Derailleur |
Shimano Ultegra Di2 R8150 |
|
Crankset |
Shimano Ultegra R8100, 52/36 |
|
Chain |
Shimano Ultegra CN‑M8100 |
|
Cassette |
Shimano Ultegra CS‑R8100, 11–30T |
Brakes & Shifting
|
Component |
Specification |
|---|---|
|
Shifters |
Shimano Ultegra Di2 R8170 |
|
Rotors |
Shimano Ultegra RT‑CL800 – 160 mm front / 140 mm rear |
Cockpit & Contact Points
|
Component |
Specification |
|---|---|
|
Handlebar |
ATTEN CHB‑01 Aero Handlebar |
|
Bar Tape |
Ciclovation Leather Touch Tornado Gloss |
|
Saddle |
Repente Quasar CR 2.0 |
|
Seatpost |
Argon 18 Nitrogen Pro |