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Today’s DealsSum Pro Frameset
A carbon frame race frameset.
Manufacturer Price
$4,400| Frame | Carbon |
|---|---|
| Fork | Carbon |
| Wheels | 700c |
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.
High stiffness
Fast all round performance
Easy handling
Refined ride characteristics
Improved compliance on rough roads
Lacklustre finishing kit
Relative value
High price point
Aggressive ride position may not suit all
Firm ride quality
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.
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.
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Nov 2023 · Ashley Quinlan
Rapid performance shines through, but not without flaws
High stiffness
Fast all round performance
Easy handling
Lacklustre finishing kit
Relative value

Dec 2022 · Matt Page
A superbly confident, fast and comfortable bike, but a question mark on the pricing...
Comfortable ride
Confident downhill
Value – sum of its parts is less than the full build cost
Press-fit BB won’t please all
Mech hanger attachment

Nov 2022 · RBA Staff
The Argon 18 Sum Pro melds the benefits of two worlds
| Frame | SUM Pro BB Standard: BB86/BB92, Press Fit Tire Clearance: 30c Color: Crystal Black Gloss |
|---|---|
| Fork | SUM Pro specific |
| Bottom Bracket | BB86 |
| Headset | FSA ACR NO.55R 1.5'' |
| Seatpost | SUM specific (included with frameset) Type: Rigid |
| Tires | 30c (32mm) |
|---|
First added April 8
Last updated November 9
Not listed for 569 days