Argon 18 Nitrogen Pro SRAM RED AXS

Argon 18 Nitrogen Pro SRAM RED AXS — Argon 18's Fastest Aero Road Race Platform The Argon 18 Nitrogen Pro is built for riders who want a pro-level aero road bike that does not compromise on fit, ride quality, or real-world handling. Developed around aerodynamic frame design, modern race geometry, flexible rider fit, and world-class components, the Nitrogen Pro is designed to deliver speed, lightness, fit, and ride optimization in one integrated package. Key platform features include a flow-optimized headtube, ATTEN CHB-01 Aero Handlebar, wider and deeper fork design, ATTEN x Scope Artech 6.A+ wheels, integrated aero bottle cages on select builds, oversized bottom bracket area, horizontal dropped seat stays, aerodynamic seatpost, Universal Derailleur Hanger compatibility, Pro Level Layup, Road Race Geometry, and the Argon Fit System. Why buy this model? The SRAM RED AXS build is the flagship Nitrogen Pro option for riders who want the most premium wireless SRAM road drivetrain, an integrated RED AXS power meter crank, ATTEN x Scope Artech 6.A+ wheels, CeramicSpeed bearings, and the full aerodynamic system Argon 18 designed around the Nitrogen Pro platform. Pro Level Layup carbon aero road frame ATTEN CHB-01 Aero Handlebar for front-end aerodynamic gains ATTEN x Scope Artech 6.A+ wheels optimized around the Nitrogen Pro frame Vittoria Corsa Pro TLR 30c tires 32c / 34mm tire clearance Race geometry with XXS through XL sizing CeramicSpeed headset and T47 bottom bracket spec Aurora Charcoal finish Which Nitrogen Pro should you buy? Build Best For Why Choose It SRAM RED AXS Riders who want the flagship SRAM build and the lightest, most premium wireless drivetrain package. Choose RED AXS for SRAM's top road group, integrated power measurement, premium wireless shifting, ATTEN x Scope Artech 6.A+ wheels, and the most complete Nitrogen Pro package. Shimano Dura-Ace Di2 Shimano loyalists who want the highest-end Di2 race build. Choose Dura-Ace Di2 for elite Shimano shifting/braking, Dura-Ace drivetrain components, CeramicSpeed bearing spec, and the same fully optimized Nitrogen Pro aero platform. Shimano Ultegra Di2 Riders who want Pro-level aerodynamics with a lower entry price than RED or Dura-Ace. Choose Ultegra Di2 for high-performance Shimano electronic shifting, the same Nitrogen Pro frame, ATTEN cockpit, and Artech 6.A+ wheels at the best value in the Pro lineup. Specifications Component Group Component Specification Frameset Frame Nitrogen Pro Frameset Fork Nitrogen Pro Frameset Headset IST3 - CeramicSpeed SLT Bearings Frameset Integrated Cables Yes Wheels Wheels ATTEN x Scope Artech 6.A+ Wheels Tires Vittoria Corsa Pro TLR 30c Wheels Tire Clearance 32c (34mm) Group Bottom Bracket CeramicSpeed T47 DUB Coated Group Front Derailleur SRAM RED AXS Group Rear Derailleur SRAM RED AXS Group Crankset SRAM RED AXS Powermeter 48/35 Group Chain SRAM RED Group Cassette SRAM XG 1290 E1 10-33 Brakes Rotors SRAM Centerlock Paceline X / F:160mm R:140mm Brakes Shifters SRAM RED AXS Shifter Set Other Handlebar ATTEN CHB-01 Aero Handlebar Other Bar Tape Ciclovation LEATHER TOUCH Tornado Gloss Other Saddle Repente Quasar CR 2.0 Other Seatpost Argon 18 Nitrogen Pro Included ATTEN Bottle Cages Yes Included Computer Mount Interchangeable inserts for Garmin and Wahoo; screen tilt shims; accessory mount Geometry Measurement Unit XXS 44-46 XS 47-50 S 51-53 M 54-56 L 57-59 XL 60-62 A Seat tube Height cm 39.5 42.5 46.0 50.5 55.0 59.5 B Seat tube angle deg 75.0 74.5 74.0 73.5 73.0 72.5 C Head Tube Angle deg 71.2 72.1 72.7 72.7 72.7 73.0 D Top tube length cm 50.2 51.9 53.7 55.7 57.8 60.1 E Chain stay length cm 41.0 41.0 41.0 41.0 41.0 41.0 F Wheelbase cm 96.7 97.2 97.5 99.0 100.6 102.0 G BB Drop cm 7.1 7.5 7.9 7.9 7.9 7.9 H1 Head Tube Length S cm 8.1 9.7 11.3 13.8 16.5 19.2 I Stand Over Height cm 68.2 70.6 73.4 77.2 81.0 84.8 L Fork Length (Axle-to-crown) cm 37.6 37.6 37.6 37.6 37.6 37.6 R Fork Rake cm 4.9 4.9 4.5 4.5 4.5 4.5 Fit: Stack and Reach Measurement Unit XXS 44-46 XS 47-50 S 51-53 M 54-56 L 57-59 XL 60-62 J Stack cm 48.6 50.8 53.1 55.5 58.0 60.7 K Reach cm 37.0 37.7 38.4 39.2 40.0 40.9 Saddle Height Min cm 56.5 59.5 63.0 67.5 72.0 76.5 Saddle Height Max cm 71.5 74.5 78.0 82.5 87.0 91.5 Size-Specific Contact Points Measurement Unit XXS 44-46 XS 47-50 S 51-53 M 54-56 L 57-59 XL 60-62 Crank Length mm 165 165 170 170 172.5 172.5 Stem Length mm 80 90 90 100 110 120 Handlebar Width mm 360 360 360 380 380 380 FAQ What makes the Nitrogen Pro different from the regular Nitrogen? The Nitrogen Pro is Argon 18's top aero road platform, using Pro Level Layup, ATTEN CHB-01 aero cockpit integration, ATTEN x Scope Artech 6.A+ wheels, CeramicSpeed bearing spec, integrated bottle cage optimization, and race-focused geometry. Is the Nitrogen Pro an aero bike or a climbing bike? It is built as an aero race bike that still prioritizes low weight, fit, and ride quality. Argon 18 positions the Nitrogen Pro as a platform that brings together speed, lightness, fit, and ride optimization rather than focusing on only one performance metric. What tire size does the Nitrogen Pro fit? The source specification lists 32c tire clearance with a 34mm measured clearance reference. The complete builds use Vittoria Corsa Pro TLR 30c tires. Does the Nitrogen Pro use an integrated cockpit? Yes. It uses the ATTEN CHB-01 Aero Handlebar, designed around front-end aerodynamic gains, rider ergonomics, lightweight construction, and integrated accessory mounting. What wheels come on the Nitrogen Pro? The complete Nitrogen Pro builds use the ATTEN x Scope Artech 6.A+ wheelset, co-developed with Scope and optimized around the Nitrogen Pro frame and 30c tires. What color is included in this import? This Shopify import uses Aurora Charcoal for all Nitrogen Pro builds, matching the inventory table provided. Which size Nitrogen Pro should I choose? Use the geometry and fit table as a guide, and confirm with a professional fit whenever possible. Argon 18 lists sizes XXS through XL with rider ranges from 44-46 through 60-62. Search-friendly summary: Argon 18 Nitrogen Pro SRAM RED AXS is a pro-level aero road race bike in Aurora Charcoal with ATTEN x Scope Artech 6.A+ wheels, ATTEN CHB-01 aero cockpit, CeramicSpeed bearing spec, Vittoria Corsa Pro TLR 30c tires, 32c clearance, and XXS through XL sizing.