Description
Argon 18 Equation 105 Road Bike 2025
Argon 18 introduces the Equation, a modern carbon road bike offering comfort, quality, and a competitive price point, designed to enhance long summer rides. Featuring Argon 18’s Endurance geometry, the Equation provides comfort and confidence, enabling riders to push their performance. This bike blends classic road bike design with modern elements like full cable integration, multiple mounting points, and generous 32c tire clearance, making it perfect for both fast weekend rides and long solo escapes. It incorporates Argon 18’s proven technologies such as the 3D system for head tube adjustment and the Topological Compliance System (TCS) for exceptional vertical compliance and vibration damping.
Technical Specification
| Headset | FSA NO.69 SRS System |
| Integrated Cables | Yes |
| Wheels | Vision Team 30 TC |
| Tires | Vittoria Zaffiro Pro 700x30c |
| Bottom Bracket | Shimano BB-RS500-PB |
| Front Derailleur | Shimano 105 R7100 |
| Rear Derailleur | Shimano 105 R7100 |
| Crankset Length | Shimano R7100 50/34 |
| Chain | Shimano 105 CN-M7100 |
| Cassette | Shimano 105 CS-R7100 11-34 |
| Brakes | Shimano 105 R7120 Shifter/Caliper Set |
| Rotors | Shimano SM-RT86, 6-bolt / F |
| Handlebar Width | FSA Vero Compact |
| Stem Length | FSA OS-167 Omega Pro |
| Bar Tape | Prologo Plaintouch black |
| Saddle | Prologo Akero |
| Seatpost | FSA Gossamer SB20 27.2mm |
Built, Checked, Tuned and Tested
All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.
All bikes collected from our shop, are built, tested and ready to ride. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.
If you require any assistance please contact our Customer Care team.
Size Guide
Argon 18 Equation 105 Road Bike 2025 Sizing
Delivery & Returns
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Why buy your bike from Sigma Sports?
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