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Stand out with the stunning design of the new Sum Pro with refined aesthetic and premium builds, making every ride extraordinary.
Meet the best of the best: aero to match the Nitrogen, pure road performance to match the Gallium Pro, with race-ready handling and premium ride quality. The all-new Sum Pro features our most advanced layup and technologies to get you to the front of the group and keep you there, through the climbs, the corners, and the sprints.
3D System
Get the best fit window without compromising the safety, steerer stiffness, or looks of your bike with Argon 18's 3D Technology.
Road Race Geometry
Our road race geometry is designed around the razor-sharp reflexes and precision handling required for racers of all levels.
Topological Compliance System
Proprietary design method to offer exceptional vertical compliance and dampened road-induced vibrations while retaining maximum stiffness.
Each bike model featuring TCS technology was individually analysed to optimize frame topology and carbon layup.
Argon Fit System
Argon 18's fit system offers size-specific geometries to provide optimal performance and positioning for all sizes, guaranteeing no rider left behind.
Pro Level Layup
We leave no room for compromise when we build bikes for the most demanding and passionate cyclists.
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Review Argon 18 2025 Sum Pro Sram Force AXS
