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2023 Argon 18

Sum SRAM Force eTap AXS

A carbon frame race bike with high-end components and sram force hydraulic disc brakes.

Manufacturer Price

€5,377($6,228)
FrameCarbon
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 12 Electronic
GroupsetForce, Force eTap
BrakesSRAM Force Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Sum SRAM Force eTap AXS
Other Race bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

13 mph

Sum SRAM Force eTap AXS

40 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Reviews

Summary

The Argon 18 Sum is a high-performance race bike that excels in speed, handling, and aerodynamic efficiency, making it a top choice for competitive riders. It offers a refined ride with sharp steering and stability at speed, though it may feel harsh on rough roads. The bike's lightweight aero design and customizable fit options stand out, but its value and comfort on rough terrain are points of contention.

Pros
  • Undeniably fast and efficient

  • Sharp handling and stability at speed

  • Lightweight aero design

  • Customizable fit options

  • Refined ride characteristics

Cons
  • Harsh on rougher roads

  • Questionable value for the price

  • Aggressive ride position may not suit all

  • Firm ride quality

  • Lacklustre finishing kit

Key Quotes
Going fast is at the heart of what we do, no compromises made.
Cyclist logoCyclist
The Sum Pro is undoubtedly a quick and able race bike.
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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Cyclist
Argon 18 Sum Pro road bike review

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,

Highs
  • Undeniably fast

  • Impressively rapid acceleration

  • Great handling

Lows
  • Very specific use

  • Harsh on rougher roads

  • Wide handlebar

  • No power meter included

Read Review

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
  • Blends aero and lightweight performance

  • Engineered clearance for up to 32mm tires

  • Steep head tube angle for quick handling

  • Stable at speed due to 99cm wheelbase

  • Tall gearing (48/35 chainrings) for added speed

  • Wide Hunt wheels improve tire grip and compliance

  • Internal routing and wireless shifting for clean look

  • 6 sizes available

Lows
  • Hunt wheels are heavy (1711g)

  • No premium build with SRAM Red AXS

  • Alloy handlebar instead of carbon

  • Premium build price $8900

Read Review

Geometry
Specs
Build
Frame

SUM

BB StandardBB86/BB92, 86.5mm, Press Fit

ColorsPodium Grey Gloss; Race Day Red Gloss

Fork

SUM specific

Bottom Bracket

SRAM DUB PF 86.5

Headset

FSA ACR NO.55R 1.5''

Handlebar

Ciclovation Leather Touch Tornado Gloss

Saddle

Repente Quasar

Seatpost

SUM specific

TypeRigid

Groupset
Rear Derailleur

SRAM Force eTAP AXS (MAX 33T)

Front Derailleur

SRAM Force eTap AXS

Crank

SRAM Force DUB 48/35

Shifters

SRAM Force AXS

Chain

SRAM Force 12S 114L

Brakes

SRAM Force

TypeSRAM Force Hydraulic Disc

Brake Levers

SRAM Force AXS

Wheels
Rims

Team 30 Clincher Centerlock XDR

Tires

Rubino Pro TLR G+ 700x25c

Disc Rotors

SRAM Centerlock Paceline / F:160mm R:140mm

Rider Notes
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First added February 27

Last updated February 27

Not listed for 836 days