Pure energy, perfect control. The Anti Matter is built for riders who put speed, efficiency and control first when conditions aren't perfect — a no-compromise gravel race machine where aerodynamics, stiffness and speed come first, delivering road-bike efficiency on gravel as a complete, optimised aero system.
Key features
- 55 mm maximum tyre clearance
- ATTEN CHB-01 aero handlebar
- Co-developed ATTEN x Apidura frame bag included
- Integrated aero bottle cages
- Aerodynamic seatpost
- Oversized bottom bracket area for optimal power transfer
- Horizontal, dropped seat stays inspired by the Electron Pro, E119 and Nitrogen Pro
- Pro Level Layup carbon with gravel geometry drawn from Argon 18's endurance platform
Frame
| Layup |
Pro Level Layup carbon |
| Cockpit |
ATTEN CHB-01 aero handlebar |
| Seatpost |
Aerodynamic seatpost |
| Max tyre clearance |
55 mm |
| Storage |
ATTEN x Apidura frame bag included |
| Geometry |
Gravel, Argon Fit System |
Builds
- SRAM RED XPLR AXS E1 — £10,495
- SRAM Force XPLR AXS E1 — £7,495
- SRAM Rival AXS E1 — £5,495
All sizes: XXS (44-46), XS (47-50), S (51-53), M (54-56), L (57-59), XL (60-62).
Also available as a frameset at £4,395. Colour availability varies by build.
Sizes and fit
Available in frame sizes XXS (44-46), XS (47-50), S (51-53), M (54-56), L (57-59) and XL (60-62), with size-specific gravel geometry from the Argon Fit System. Maximum tyre clearance is 55 mm.
Colours
Available in Iridium Silver, Sea Foam / Neon and Mystic Dune. Colour availability varies by build.
Materials and construction
- Frame: Pro Level Layup carbon, gravel geometry, Argon Fit System
- Oversized bottom bracket area for optimal power transfer
- Horizontal, dropped seat stays
- Cockpit: ATTEN CHB-01 aero handlebar
- Aerodynamic seatpost and integrated aero bottle cages
- Maximum tyre clearance: 55 mm
- Co-developed ATTEN x Apidura frame bag included
- Build options: SRAM RED XPLR AXS E1, SRAM Force XPLR AXS E1 or SRAM Rival AXS E1
