2025 Argon 18 Sum SRAM Rival AXS Carbon Lightweight Aero Road Bike
2025 Argon 18 Sum SRAM Rival AXS Carbon Lightweight Aero Road Bike
2025 Argon 18 Sum SRAM Rival AXS Carbon Lightweight Aero Road Bike - Road Bikes
2025 Argon 18 Sum SRAM Rival AXS Carbon Lightweight Aero Road Bike - Road Bikes

2025 Argon 18 Sum SRAM Rival AXS Carbon Lightweight Aero Road Bike

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USD 3,150.00 USD 5,250.00
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Product Code: ARG202512WR
Availability: In Stock
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Product Description

2025 Argon 18 Sum SRAM Rival AXS | Carbon Lightweight Aero Road Bike

2025 Argon 18 Sum SRAM Rival AXS

The Aero All-Rounder. Lightweight Performance Meets Wireless Precision.

The 2025 Argon 18 Sum is engineered for riders who want the best of both worlds: the aerodynamic efficiency of a dedicated aero bike and the feathery weight of a climber. By merging the race-proven profiles of the Nitrogen with the pure agility of the Gallium Pro, the Sum delivers a high-performance ride that is fast on the flats and snappy on the climbs. Equipped with the wireless SRAM Rival AXS groupset and Scope S4.A carbon wheels, this machine is ready to elevate your cycling experience.

Key Highlights

  • Aero-Light Carbon Frame: CFD-optimized profiles designed to reduce drag while maintaining an ultra-lightweight carbon structure.
  • SRAM Rival AXS Wireless: Enjoy the precision of 12-speed electronic shifting with a clean, wire-free cockpit setup.
  • Scope S4.A Wheelset: Performance-focused carbon wheels designed for aerodynamics and all-day riding stability.
  • Total Integration: Fully internal cable routing through the FSA SMR-II system for a sleek aesthetic and improved aero performance.
  • 30C Tire Clearance: Rated for tires up to 30c (32mm measured), providing a perfect balance of speed, grip, and comfort.

Technical Specifications

Frameset & Cockpit
Frame SUM Carbon Aero Race, Fully Integrated Cables
Fork SUM Specific Carbon, Flat Mount Disc
Headset FSA NO.55R 1.5'' + 3D System
Handlebar FSA Energy SCR Compact
Stem FSA SMR-II Integrated Cable Routing
Seatpost Argon 18 SUM Specific Carbon
Saddle Repente Quasar
Drivetrain & Shifting
Groupset SRAM Rival AXS, 2x12 Speed Wireless
Crankset SRAM Rival AXS DUB, 48/35T
Cassette SRAM XG-1250, 10-30T XDR
Bottom Bracket SRAM DUB PF 86.5
Chain SRAM Rival 12-Speed
Brakes & Wheelset
Brakes SRAM Rival AXS Hydraulic Disc
Rotors SRAM Paceline Centerlock (F: 160mm / R: 140mm)
Wheels Scope S4.A Carbon, Tubeless Ready
Tires Vittoria Corsa N.EXT TLR 28mm
Clearance 30c (Max 32mm Measured)

Ride Character

The 2025 Argon 18 Sum represents the modern evolution of the road race bike. It provides a surgically precise handling profile that inspires confidence on technical descents, while the laterally stiff frame ensures zero watt loss during explosive sprints. Combined with the smooth, intuitive wireless shifting of the SRAM Rival AXS, the Sum offers a high-performance experience that is accessible, reliable, and undeniably fast on every road.

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