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Today’s Deals2026 Argon 18
Sum Frameset
A carbon frame race frameset.
Jun 2024 · Katherine Moore
First released in 2022, the Argon 18 Sum Pro has replaced both the brand’s aero race bike, the Nitrogen Pro,
Undeniably fast
Impressively rapid acceleration
Great handling
Very specific use
Harsh on rougher roads
Wide handlebar
No power meter included
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
First added March 21
Last updated June 1