2026 Argon 18 Sum Pro Shimano Dura-Ace Di2
Argon 18All images on this page are used for illustrative purposes only. Actual bike specifications may vary depending on country and assembly options available.
Please refer to the Features and Configurations section below for options available in your region.
Features
Shimano Dura-Ace Di2 R9250
The DURA-ACE RD-R9250 12 speed Di2 electronic rear derailleur integrates the system charging port and wireless connectivity while delivering super fast, precise shifting.

Vision Metron 5D ACR EVO
The 5D EVO improves control, stiffness, and vibration absorption, enhances aerodynamics with a 1.5 cm lower stack, and weighs just 320 g for maximum efficiency.

Scope Artech 4
With a rim profile of 45 mm and a set weight of only 1120 grams, the Artech 4 combines ultra low weight with superb aerodynamics and cross-wind stability.

Challenge Criterium RS TLR 28c Black
The Criterium RS improves speed, grip and rolling resistance while providing legendary control and supple ride thanks to its handmade construction.
- Frame:
- SUM Pro
- Fork:
- SUM Pro specific
- Headset:
- FSA Headset NO.55R 1.5'' + 3D
- Integrated Cables:
- Yes
- Wheels:
- Scope Artech A4
- Tires:
- Challenge Criterium RS TLR 28c Black
- Tire Clearance:
- 30C (32mm)
- Bottom Bracket:
- CeramicSpeed BB86 Shimano Coated
- Rear Derailleur:
- Shimano Dura-Ace Di2 R9250
- Crankset:
- Shimano Dura-Ace R9200 52/36
- Chain:
- Shimano Dura-Ace CN-M9100
- Cassette:
- Shimano Dura Ace CS-R9200 11-30
- Brakes:
- Shimano Dura-Ace Di2 R9270
- Brake Levers:
- Shimano Dura-Ace Di2 R9270
- Rotors:
- Shimano Dura-Ace RT-MT900 / F:160mm R:140mm
- Shifters:
- Shimano Dura-Ace Di2 R9270
- Handlebar:
- Vision Metron 5D ACR EVO
- Bar Tape:
- Ciclovation LEATHER TOUCH Tornado Gloss
- Saddle:
- Repente Quasar CR Carbon Rail
- Seatpost:
- SUM specific (included with frameset)
- Front Derailleur:
- Shimano Dura-Ace Di2 R9250