Argon 18 Anti Matter Gravel Bike Rival XLR
PLEASE CONTACT US TO CHECK THE LATEST AVAILABILITY ON THIS BIKE BEFORE ORDERING
The new Argon 18 Anti Matter is here — a no-compromise aero gravel race machine built for riders who go full gas when the terrain gets unpredictable. Designed as a complete aerodynamic race system, Anti Matter blends road-bike speed with gravel capability to deliver maximum efficiency, control, and precision at race pace.
Built from the ground up for modern gravel racing, every detail has been engineered to turn watts into speed — from the integrated ATTEN cockpit to the CFD-optimized tube shapes and aero storage solutions. This isn’t just a gravel bike. It’s a purpose-built weapon for riders chasing podiums, personal bests, and race-winning performance.
Available exclusively through HYPT Bike Performance — official Argon 18 brand partners and specialists in high-performance gravel and road cycling.
Key Highlights
- Full aero gravel race platform engineered as a complete system
- ATTEN CHB-01 one-piece integrated cockpit
- Massive 55mm tyre clearance for modern gravel race versatility
- CFD-optimized aero tube profiles for real-world speed
- ATTEN x Apidura integrated frame bags with zero aero compromise
- Proprietary side-load aero bottle cage system
- Wide, deep aero fork for stability and control at speed
- Horizontal dropped seatstays for improved compliance and traction
- Oversized T47 bottom bracket for maximum power transfer
- Pro-level carbon layup balancing stiffness, weight, and ride feel
- Universal Derailleur Hanger (UDH) compatibility for easy serviceability
Pure Energy. Perfect Control.
Anti Matter is the fastest, most aerodynamic gravel race bike Argon 18 has ever created — engineered to attack every course, not just survive it.
| Category | Component | Spec |
|---|---|---|
| Frameset | Frame | Anti Matter |
| Fork | Anti Matter | |
| Headset | IST3 – CeramicSpeed SLT Bearings | |
| Integrated Cables | Yes | |
| Storage System | ATTEN x Apidura frame bag (included) | |
| Wheels & Tires | Wheels | DT Swiss G1800 XDR |
| Tires | Schwalbe G-One RS PRO TLR 700x45c | |
| Tire Clearance | Up to 55 mm | |
| Drivetrain | Bottom Bracket | SRAM DUB T47 |
| Rear Derailleur | SRAM Rival AXS E1 | |
| Crankset | SRAM Rival 1 E1 XPLR 40T | |
| Chain | SRAM Rival Chain E1 | |
| Cassette | SRAM Rival XPLR XG-1351, 10–46T | |
| Brakes | Brakes | SRAM Rival AXS E1 |
| Brake Levers | SRAM Rival AXS E1 | |
| Rotors | SRAM Paceline X — 160 mm front / 160 mm rear | |
| Shifters | SRAM Rival AXS E1 | |
| Cockpit & Finishing Kit | Handlebar | ATTEN CHB-01 Aero Handlebar |
| Bar Tape | Ciclovation LEATHER TOUCH Tornado Gloss | |
| Saddle | Repente Quasar S 2.0 | |
| Seatpost | Argon 18 Anti Matter Aero, 20 mm setback |
| ID | Measurement | Unit | XXS (44–46) | XS (47–50) | S (51–53) | M (54–56) | L (57–59) |
|---|---|---|---|---|---|---|---|
| A | Seat Tube Height | cm | 42.5 | 46.0 | 50.5 | 55.0 | 59.5 |
| B | Seat Tube Angle | deg | 74.5 | 74.0 | 73.5 | 73.0 | 72.5 |
| C | Head Tube Angle | deg | 70.7 | 71.1 | 71.7 | 71.1 | 72.2 |
| D | Top Tube Length | cm | 52.0 | 53.8 | 55.8 | 57.8 | 60.1 |
| E | Chain Stay | cm | 42.5 | 42.5 | 42.5 | 42.5 | 42.5 |
| F | Wheelbase | cm | 100.4 | 101.6 | 102.2 | 103.9 | 105.2 |
| G | BB Drop | cm | 8.0 | 7.8 | 7.8 | 7.6 | 7.6 |
| H1 | Head Tube Length | cm | 7.6 | 10.1 | 12.2 | 15.0 | 17.6 |
| I | Stand Over Height | cm | 71.4 | 74.9 | 78.8 | 82.8 | 86.6 |
| L | Fork Length (Axle-to-Crown) | cm | 40.0 | 40.0 | 40.0 | 40.0 | 40.0 |
| R | Fork Rake | cm | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 |
| J | Stack | cm | 50.8 | 53.1 | 55.5 | 58.0 | 60.7 |
| K | Reach | cm | 37.7 | 38.4 | 39.2 | 40.0 | 40.9 |
| — | Saddle Height Min | cm | 59.5 | 63.0 | 67.5 | 72.0 | 76.5 |
| — | Saddle Height Max | cm | 74.5 | 78.0 | 82.5 | 87.0 | 91.5 |