Argon 18 Krypton
The Krypton is Argon 18’s definitive endurance road platform. Its geometry is designed for stability and all-day comfort, providing a forgiving ride without sacrificing the responsiveness needed for speed and climbing.
Endurance Protocol. Comfort Meets Performance.
Starting from: £4,750

Argon 18 Krypton, All-Day Comfort: Built to Conquer Any Road Surface
The Argon 18 Krypton frame utilises Argon 18’s Topological Compliance System (TCS), engineered to dampen road-induced vibrations and significantly reduce rider fatigue. This bike is exceptionally stable and predictable, making it a favourite for long base miles, challenging sportives, and all-weather training. It’s built to ensure that even after six hours in the saddle, you maintain optimal comfort and control.
Key Features
3D System
Get the best fit window without compromising the safety, steerer stiffness, or looks of your bike with Argon 18's 3D Technology.
Storage Optimisation System
Innovative layup design allowing access to tube space for integrated equipment and nutrition storage.
Endurance Geometry
Argon 18's endurance geometry offers a stable and comfortable ride with a relaxed rider position, while keeping true to their performance heritage.
Topological Compliance System
Proprietary design method to offer exceptional vertical compliance and dampened road-induced vibrations while retaining maximum stiffness. Each bike model featuring TCS technology was individually analysed to optimise frame topology and carbon layup.
Argon Fit System
Argon 18's fit system offers size-specific geometries to provide optimal performance and positioning for all sizes, guaranteeing no rider left behind.
Elite Level Layup
Argon 18 believe the discerning cyclist deserves more than just trickle-down technology. Their Elite level bikes benefit from the same attention to detail as their Pro level bikes.
Available Colours
Iridescent Charcoal, Gloss

Frostbite Blue, Gloss

Rainbow Grey

| Geometry | XXS 44-46 | XS 47-50 | S 51-53 | M 54-56 | L 57-59 | XL 60-62 |
|---|---|---|---|---|---|---|
|
A
Seat tube Height (cm)
|
42.0 | 45.0 | 48.5 | 52.0 | 55.5 | 59.0 |
|
B
Seat tube angle (deg)
|
75.5 | 74.9 | 74.3 | 73.7 | 73.1 | 72.5 |
|
C
Head Tube Angle (deg)
|
70.6 | 71.5 | 72.3 | 72.3 | 72.3 | 72.8 |
|
D
Top tube length (cm)
|
49.6 | 51.6 | 53.7 | 55.8 | 58.0 | 60.4 |
|
E
Chain stay length (cm)
|
41.5 | 41.5 | 41.5 | 41.5 | 41.5 | 41.5 |
|
F
Wheelbase (cm)
|
97.5 | 98.4 | 98.9 | 100.5 | 102.0 | 103.3 |
|
G
BB Drop (cm)
|
8.0 | 8.0 | 7.8 | 7.8 | 7.8 | 7.8 |
|
H1
Head Tube Length 3D (0mm) (cm)
|
10.6 | 12.3 | 14.2 | 16.4 | 18.6 | 20.8 |
|
H2
Head Tube Length 3D (25mm) (cm)
|
13.1 | 14.8 | 16.7 | 18.9 | 21.1 | 23.3 |
|
I
Stand Over Height (cm)
|
67.5 | 70.4 | 73.8 | 77.0 | 80.1 | 83.2 |
|
J
Stack (cm)
|
52.3 | 54.3 | 56.3 | 58.4 | 60.5 | 62.8 |
|
J
Stack 3D (25mm) (cm)
|
54.7 | 56.7 | 58.7 | 60.8 | 62.9 | 65.2 |
|
K
Reach (cm)
|
35.7 | 36.7 | 37.7 | 38.6 | 39.5 | 40.6 |
|
Saddle Height Min (cm)
|
59.0 | 62.0 | 65.5 | 69.0 | 72.5 | 76.0 |
|
Saddle Height Max (cm)
|
74.0 | 77.0 | 80.5 | 84.0 | 87.5 | 91.0 |
Example Builds
Build Options
Shimano 105 Di2
£4,750
- Frame Krypton
- Wheels Scope S4.A
- Tyres Vittoria Corsa N.EXT 32-622 TLR, black G2.0
- Tyre Clearance 40c (43mm)
- Groupset Shimano 105 Di2 R7150

SRAM Rival AXS E1
£5,000
- Frame Krypton
- Wheels ATTEN L42 wheelset
- Tyres Vittoria Corsa N.EXT 32-622 TLR, black G2.0
- Tyre Clearance 40c (43mm)
- Groupset SRAM Rival AXS

Shimano Ultegra Di2
£5,750
- Frame Krypton
- Wheels Scope R4.A
- Tyres Vittoria Corsa N.EXT 32-622 TLR, black G2.0
- Tyre Clearance 40c (43mm)
- Groupset Shimano Ultegra Di2 R8150

SRAM Force AXS E1
£6,250
- Frame Krypton
- Wheels Scope R4.A
- Tyres Vittoria Corsa N.EXT 32-622 TLR, black G2.0
- Tyre Clearance 40c (43mm)
- Groupset SRAM Force AXS E1

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