Wheel Size: 700c
Wheelset: DT Swiss ARC1400 Dicut
Colour: Black, Silver
Groupset: Shimano Ultegra Di2 12-speed, Shimano Ultegra Di2, Shimano Ultegra Di2 wireless
Speed: 12-speed
Frame Material: carbon
Brake Type: hydraulic disc

About this deal

The Argon 18 SUM Pro is a lightweight aero road bike built around Shimano Ultegra Di2 wireless shifting, DT Swiss ARC1400 Dicut carbon wheels and Argon 18's 3D fit system. Nano-Tech carbon layup and Topological Compliance System tuning deliver sharp handling without sacrificing comfort on long rides.

Key specs

Wheel Size: 700c
Wheelset: DT Swiss ARC1400 Dicut
Colour: Black, Silver
Groupset: Shimano Ultegra Di2 12-speed, Shimano Ultegra Di2, Shimano Ultegra Di2 wireless
Frame Size: S, XS
Speed: 12-speed
Frame Material: carbon
Brake Type: hydraulic disc

Why this deal

Key specs

Groupset: Shimano Ultegra Di2 R8170 12-speed hydraulic disc (52/36, 11-30)
Wheels: DT Swiss ARC1400 Dicut carbon
Cockpit: Vision Metron 5D ACR EVO integrated bar
Bottom bracket: CeramicSpeed BB86 coated

Sizes & colours in stock

XS and S in Black
S in Silver

Why this deal

Sigma Sports online-only clearance cuts 52% off RRP on a race-ready Ultegra Di2 build with premium carbon wheels — one of the strongest bike deals on site right now.

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