Argon 18 Sum Pro SRAM Red AXS Bike The whole package, no limits. The Argon 18 Sum Pro is the climbing bike that can also win the crit, the aero bike that doesn't suffer on steep roads, and the race machine that makes every other bike in your group feel like a liability. On the Sum Pro Red AXS, SRAM's pinnacle wireless groupset arrives with a carbon-arm integrated power meter, Ceramic Speed bottom bracket, and Zipp 454 NSW wheels - one of the most aerodynamic, stable, and refined wheelsets in road cycling. For riders who want the absolute best the Sum Pro platform can offer, this is it. Features Sum Pro carbon frame and fork with integrated cable routing, Argon 18's 3D headset technology, and 30c (32mm) tire clearance - a higher-specification platform tuned for maximum race-day performance SRAM Red AXS fully wireless 2x drivetrain - SRAM's lightest and most refined groupset, with telepathic shifting response and seamless AXS integration SRAM Red AXS Power Meter crankset, 48/35T with carbon crankarm construction and integrated power measurement for the ultimate in lightweight, data-driven performance Ceramic Speed BB86 DUB Coated bottom bracket for the lowest possible drivetrain friction and long-term reliability SRAM Red AXS hydraulic disc brakes with SRAM Centerlock Paceline X rotors (160mm front, 140mm rear) for powerful, modulated stopping at the top of SRAM's road brake lineup Vision Metron 5D ACR EVO integrated bar/stem - aerodynamic, stiff, and weighing just 320g - for a clean, race-optimized front end Zipp 454 NSW wheelset with hookless rims and Cognition V2 hubs, paired with Vittoria Corsa Pro TLR 28c tubeless-ready tires for proven race-day speed, stability, and grip SPECIFICATIONSFrame Sum Pro Carbon, Integrated Cable Routing, 3D Headset, 30c (32mm) Tire Clearance Fork Sum Pro Specific Carbon Headset FSA Headset NO. 55R 1. 5" + 3DFront Derailleur SRAM Red AXSRear Derailleur SRAM Red AXSShifters SRAM Red AXSCrankset SRAM Red AXS Power Meter, 48/35T, Carbon Arms, 165mm (XXS), 170mm (XS/S), 172. 5mm (M/L), 175mm (XL)Bottom Bracket Ceramic Speed BB86 DUB Coated Chain SRAM Red, 12-Speed, 114LCassette SRAM XG-1290, 10-33T, 12-Speed XDRBrakes SRAM Red AXS Hydraulic Disc Rotors SRAM Centerlock Paceline X, F: 160mm / R: 140mm Wheelset Zipp 454 NSW Tubeless Disc Tires Vittoria Corsa Pro TLR, 700x28c, Tubeless Ready Tire Clearance30c (32mm)Handlebar Vision Metron 5D ACR EVO Integrated Bar/Stem, 380mm (XXS/XS/S), 400mm (M/L), 420mm (XL)Bar Tape Ciclovation Leather Touch Tornado Gloss Seatpost Sum Pro Specific Carbon Saddle Repente Prime 3. 0Intended Use Road, Racing, Climbing, Criterium Note: Components are subject to change without notice. METRICINCHArgon 18 Sum Pro Size XXSXSSmall Medium Large XLA: Seat Tube Length395425460505550595B: Effective Top Tube503520538557578600C: Stack471493516540565592D: Reach375382389397405414F: BB Drop697377777777G: Head Tube Length6985101126152180H: Head Tube Angle71. 2 deg72. 1 deg72. 7 deg72. 7 deg72. 7 deg73. 0 degI: Seat Tube Angle75. 0 deg74. 5 deg74. 0 deg73. 5 deg73. 0 deg72. 5 degJ: Standover Height676700727766804841K: Chainstay Length410410410410410410L: Wheelbase96797297599010061020Suggested Rider Height Frame Size XXSXSSmall Medium Large XLSize Range44-46 cm47-50 cm51-53 cm54-56 cm57-59 cm60-62 cm Argon 18 Sum Pro Size XXSXSSmall Medium Large XLA: Seat Tube Length15. 616. 718. 119. 921. 723. 4B: Effective Top Tube19. 820. 521. 221. 922. 823. 6C: Stack18. 519. 420. 321. 322. 223. 3D: Reach14. 815. 015. 315. 615. 916. 3F: BB Drop2. 72. 93. 03. 03. 03. 0G: Head Tube Length2. 73. 34. 05. 06. 07. 1H: Head Tube Angle71. 2 deg72. 1 deg72. 7 deg72. 7 deg72. 7 deg73. 0 degI: Seat Tube Angle75. 0 deg74. 5 deg74. 0 deg73. 5 deg73. 0 deg72. 5 degJ: Standover Height26. 627. 628. 630. 231. 733. 1K: Chainstay Length16. 116. 116. 116. 116. 116. 1L: Wheelbase38. 138. 338. 439. 039. 640. 2Suggested Rider Height Frame Size XXSXSSmall Medium Large XLSize Range44-46 cm47-50 cm51-53 cm54-56 cm57-59 cm60-62 cm | Argon 18 | Sum Pro Red Axs Bike Titanium / Racing Red Xl