Argon 18 Nitrogen 105 Di2 (2026): the most accessible way into Argon 18’s world-class aero platform. Built on the same Pro-series carbon frame as its Red and Force counterparts, it features Shimano 105 Di2 12-speed electronic shifting and hydraulic disc brakes for smooth, precise performance on every ride. Looking for a wireless SRAM alternative? See the Nitrogen Force AXS below. Jump to: What • How • Why • Alternative • FAQ WHAT is the Argon 18 Nitrogen 105 Di2? The Nitrogen 105 Di2 brings Argon 18’s aerodynamic expertise to a broader audience. Its Pro-series carbon aero frame features fully integrated cabling and tube shaping inspired by the brand’s top-tier race machines. The Shimano 105 Di2 12-speed groupset delivers fast, accurate electronic shifting, while hydraulic disc brakes provide confident control on descents and in variable conditions. Frame: Argon 18 Pro carbon aero design Groupset: Shimano 105 Di2 12-speed electronic Brakes: Hydraulic disc brakes Wheelset: Alloy or carbon aero (tubeless-ready) Finishing kit: Integrated aero cockpit HOW does it ride? Balanced, efficient, and aerodynamic. The Nitrogen 105 Di2 shares the same responsive handling as its higher-spec siblings, with a smooth, refined ride feel that makes it equally capable for racing or endurance rides. Shimano’s Di2 system provides lightning-fast gear changes with consistent power delivery and a quiet drivetrain. Electronic shifting: Shimano 105 Di2 for crisp, fast gear changes Confident control: Hydraulic discs for powerful braking Aero efficiency: Reduced drag through integrated design Endurance comfort: Optimised geometry for long-distance performance WHY choose the Nitrogen 105 Di2? The Nitrogen 105 Di2 is the perfect choice for riders seeking cutting-edge aerodynamics and electronic precision without the price of pro-level builds. Whether it’s your first electronic groupset or your next endurance machine, this model combines performance, value, and refinement. Best for: Fast road rides, sportives, and performance-focused endurance cycling Standouts: 105 Di2, carbon aero frame, hydraulic braking Alternative option: Argon 18 Nitrogen Force AXS (2026) Prefer SRAM’s wireless technology? The Nitrogen Force AXS upgrades to a 12-speed wireless drivetrain with a lighter, cleaner setup for a truly pro-level feel. Groupset: SRAM Force AXS 12-speed wireless Frame: Same Pro carbon aero platform Benefits: Wireless simplicity, cleaner aesthetics, and top-end performance View Argon 18 Nitrogen Force AXS (2026) Sizing & Fit Use height as a guide, adjusting for reach and flexibility. 160–170 cmUsually XS–S 171–178 cmUsually M 179–185 cmUsually L 186–192 cmUsually XL See our size guide or ask our team for tailored advice. Frequently Asked Questions Is the 105 Di2 groupset fully electronic? Yes — 105 Di2 offers fully electronic shifting with precise 12-speed performance. Does it share the same frame as higher models? Yes, it uses the same Pro-series carbon aero frame as the Force AXS and Red AXS models. Is the drivetrain wireless? 105 Di2 uses wired derailleurs with internal battery integration for consistent reliability. Is it tubeless-ready? Yes, the wheelset is tubeless-ready for smoother rolling and fewer punctures. Who is this bike best suited to? Perfect for riders looking to upgrade to electronic shifting and a premium aero frame at a competitive price point. More like this: Shop Road Bikes • Explore Argon 18 Bikes Assembly & First Service Built and safety-checked by Cytech-qualified mechanics. In-store bikes include a FREE 6-week health check; Mail Order bikes include a FREE Multi-Tool / Pedal Spanner / Pedals. Delivery / Click & Collect Fast UK delivery or FREE Click & Collect from our stores. Finance & Cycle to Work Spread the cost (subject to status) or save with Cycle to Work. On occasion, without notice, manufacturers may change product design and/or specifications.
