
Argon 18 Sum Pro Shimano Dura-ace Di2 R9250 12v

Argon 18 Sum Pro Shimano Dura-ace Di2 R9250 12v
aero road bike, carbon frame, 700c wheels, 2×12 drivetrain, top of the range equipment
Key specs
- Model year
- 2026
- Weight
- 6.41 kg
- Frame
- Carbon
- Wheelset
- 700c · Scope Artech A4
optimize frame topology and carbon layup
- Drivetrain
- 2×12
- Groupset
- Shimano Dura-Ace Di2
- Brake model
- Shimano Dura-Ace Di2 R9270
- Seatpost
- SUM specific (included with frameset)
Rear Derailleur: Shimano Dura-Ace Di2 R9250
Character
The bike at a glance: the ground it is made for, how it handles, its gears and its equipment, beside the other bikes of its kind.
« Road bike average gearing, very high equipment. »
Not enough data yet for this chart: it fills in as soon as the specs are in.
Not enough data yet for this chart: it fills in as soon as the specs are in.
Gearing
- This bike: Sum Pro Shimano Dura-ace Di2 R9250 12v14 km/h - 54 km/h
- Average of other aero road bikes13 km/h - 54 km/h
From 14 km/h in its easiest gear to 54 km/h in its hardest.
Equipment level
Not enough data yet for this chart: it fills in as soon as the specs are in.
Equipment: top of the range for its category.
Equipment score: 91/100 (frame, groupset, wheels, suspension).
Spec sheet
Every value is read on the brand’s page; hover it to see its source and date.
Ride type
- Ride type
- Aero
Pro Lightweight Aero Race Bike
Frame and fork
- Frame
- Carbon
- Max tyre clearance
- 32 mm
- Bottom bracket
- CeramicSpeed BB86 Shimano Coated
- Cable routing
- Fully integrated
optimize frame topology and carbon layup
Integrated Cables: Yes
Drivetrain
- Groupset brand
- Shimano
- Groupset
- Shimano Dura-Ace Di2
- Shifting
- Electronic, wired
- Chainrings
- 2
- Gears at the back
- 12
- Chainring teeth
- Shimano Dura-Ace R9200 52/36
- Cassette
- Shimano Dura Ace CS-R9200 11-30
- Rear derailleur
- Shimano Dura-Ace Di2 R9250
- Shifters
- Shimano Dura-Ace Di2 R9270
Shimano Dura-Ace Di2 R9250
Rear Derailleur: Shimano Dura-Ace Di2 R9250
Shifters: Shimano Dura-Ace Di2 R9270
Brakes
- Brakes
- Hydraulic disc
- Brake model
- Shimano Dura-Ace Di2 R9270
- Front rotor
- 160 mm
- Rear rotor
- 140 mm
Shimano Dura-Ace Disque hydraulique
Wheels and tyres
- Wheel size
- 700c / 29"
- Wheelset
- Scope Artech A4
- Rims
- Carbon
- Tyres
- Challenge Criterium RS TLR 28c Black
- Tyre width fitted
- 28 mm
Cockpit and seatpost
- Handlebar
- Ciclovation LEATHER TOUCH Tornado Gloss
- Seatpost model
- SUM specific (included with frameset)
Weight
- Weight
- 6.41 kg
Spec sheets read at: argon18.com
The range
Its comparisons
Comparable road bikes

- Carbon
- Shimano Ultegra Di2


- Carbon
- Shimano Ultegra Di2

- Carbon
- Shimano Dura-Ace Di2
Who is it for?
The sports the brand announces, and the features that go with them.
Cycling
- Ride type: Aero
- Groupset: Shimano Dura-Ace Di2
- Weight: 6.41 kg
- Max tyre clearance: 32 mm
Frequently asked questions
What kind of riding is the Argon 18 Sum Pro Shimano Dura-ace Di2 R9250 12v made for?
Aero, according to the brand.
How wide a tyre fits the Argon 18 Sum Pro Shimano Dura-ace Di2 R9250 12v?
Up to 32 mm, according to the brand.
Does the Argon 18 Sum Pro Shimano Dura-ace Di2 R9250 12v have electronic shifting?
Electronic, wired, according to the brand.

