The Argon 18 Sum Pro Ultegra Di2 is the pinnacle of Argon 18's road bike lineup, combining the aero performance of the Nitrogen with the pure road prowess of the Gallium Pro. This bike features Argon 18's most advanced layup and technologies to deliver race-ready handling and premium ride quality.

Key Features:
  • Shimano Ultegra Di2 R8150 Groupset: Provides lightning-fast, accurate, and reliable electronic shifting for complete control and a seamless interface between the cyclist and bike
  • Repente Prime 3.0 Saddle: Ergonomically designed to provide necessary support at strategic points for comfortable and effective pedaling
  • Zipp 303 S Wheelset: Features a 45mm rim depth and increased internal width for greater performance and ride quality in a wide range of terrain
  • Advanced Layup and Technologies: Optimized for aerodynamics, handling, and ride quality to help you reach the front of the group and stay there
  • Race-Ready Handling: Designed with Argon 18's road race geometry for the razor-sharp reflexes and precision handling required by racers of all levels
  • Topological Compliance System: Exclusive design method that provides exceptional vertical flexibility and dampens road-induced vibrations while maintaining maximum rigidity

Who is it for?
The Argon 18 Sum Pro Ultegra Di2 is designed for the discerning road cyclist who demands the best in performance, aerodynamics, and ride quality.
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