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2022 Argon 18

Sum Pro Frameset

A carbon frame race frameset.

Manufacturer Price

$4,400
FrameCarbon
ForkCarbon
Wheels700c
Where to Buy
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Top Comparison
Reviews

Summary

The Argon 18 Sum is a competitive race bike that blends aero and lightweight performance, offering sharp handling and stability at speed. While it excels in efficiency and comfort, some reviews question its value and component choices. The bike is praised for its refined ride characteristics and is often compared to top-tier models like the Specialized Tarmac and Canyon Ultimate CF SLX.

Pros
  • High stiffness

  • Fast all round performance

  • Easy handling

  • Refined ride characteristics

  • Improved compliance on rough roads

Cons
  • Lacklustre finishing kit

  • Relative value

  • High price point

  • Aggressive ride position may not suit all

  • Firm ride quality

Key Quotes
I’ve been very impressed with the Sum Pro’s turn of speed and predictable-but-sharp handling, and I’m convinced it’s a great platform for racing.
BikeRadar logoBikeRadar
With a focus on blending aero and lightweight performance details to create a modern road bike, the Sum Pro boasts the type of refined ride characteristics that any performance-oriented rider would need.
Road Bike Action
The Sum is a bike that performs admirably in almost all situations, and while it isn't particularly light, it is difficult to fault as an all-rounder.
road.cc logoroad.cc

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BikeRadar
Argon 18 Sum Pro Force eTap AXS review

Nov 2023 · Ashley Quinlan

Rapid performance shines through, but not without flaws

Highs
  • High stiffness

  • Fast all round performance

  • Easy handling

Lows
  • Lacklustre finishing kit

  • Relative value

Read Review

road.cc
Argon 18 Sum 2023

Dec 2022 · Matt Page

A superbly confident, fast and comfortable bike, but a question mark on the pricing...

Highs
  • Comfortable ride

  • Confident downhill

Lows
  • Value – sum of its parts is less than the full build cost

  • Press-fit BB won’t please all

  • Mech hanger attachment

Read Review

Road Bike Action
ARGON 18 SUM PRO BIKE REVIEW - Road Bike Action

Nov 2022 · RBA Staff

The Argon 18 Sum Pro melds the benefits of two worlds

Highs
  • Combines aero and lightweight characteristics

  • Aggressive low geometry

  • Stiff with responsive handling

  • Well-matched components

  • Tall gearing (48/35 chainrings, 10-30 cassette)

  • Tire clearance for up to 32mm

  • Internal routing and wireless shifting

  • Six sizes available

Lows
  • Heavy wheelset (1711g)

  • No premium build with SRAM Red AXS and lighter wheels

  • Alloy handlebar (carbon planned but not guaranteed)

Read Review

Geometry
Specs
Build
Frame

SUM Pro

BB StandardBB86/BB92, Press Fit

Tire Clearance30c

ColorCrystal Black Gloss

Fork

SUM Pro specific

Bottom Bracket

BB86

Headset

FSA ACR NO.55R 1.5''

Seatpost

SUM specific (included with frameset)

TypeRigid

Wheels
Tires

30c (32mm)

Rider Notes
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First added 8 April

Last updated 9 November

Not listed for 569 days