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Argon18 Sum Elite Red frame - Due July

£2,799.00
Argon18 Sum - the new bike, aero and lightweight. We will have some of the first frames in the UK. Give us a shout to reserve yours!!
1 in stock

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 features Argon 18’s most advanced layup and technologies, offering a premium combination of aero and lightweight engineering, while ensuring ride quality. Light, fast, and designed to keep you on the road all day, the all-new Sum is the bike for the classics, the crits, the climbs - and any challenge in between:

 

Key Features: Decisions... made easy. With a bike that gives you flat-out advantage on the climbs, the sprints and the straightaways, the only decision you’ll need to make is how nice you want to be to the other guys. Aero The Sum features a completely reengineered frame to maximise aerodynamics while keeping weight low. Still think aero can’t help you in the mountains? In a simulation of La Planche des Belles Filles stage from 2019 (~3500m of climbing), we found the net benefit of the Sum vs Gallium Pro Disc to be 75 seconds.

 

Aero Features:

  • Hourglass-shaped headtube provides low drag while being rigid and lightweight.
  • Profiled fork legs are flared outward to deflect air away from the downtube.
  • Downtube width optimised for aerodynamics and weight, tested with water bottles.
  • Extremely narrow (10mm) and slightly arched seatstays, for aero and compliance.
  • Downtube/Headtube junction that allows a wide connection, adding stiffness while keeping clean airflow and removing turbulence behind the headtube.

 

Lightweight features:

  • Pro-level optimized layup (Sum Pro 850g; Sum 890g, both medium, painted frame).
  • Slender seattube and seatpost profiles to keep weight down.
  • Chainstays of optimal size for weight and power transfer.

 

Ride quality features:

  • Ride Quality For the classics to the centuries, the Sum is engineered to keep you in churning out the watts no matter what the course
  • Sizing updated from Gallium Pro, better tiered across the range (e.g. medium is now a bit smaller).
  • Compliance ensured through D-shaped seat-post and indented seat tube, dropped seat stays and slender toptube.
  • Stiffness and power transfer is equivalent to the Gallium Pro Disc, our World Tour champion.
  • 3D system for better positioning and fit. Allows you to raise the top bearing (raising the cockpit) without losing any stiffness

 

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