2025 Argon 18 Sum Pro Shimano Ultegra Di2 Carbon Aero Race Road Bike

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USD 5,100.00 USD 8,500.00

Brand: Argon 18

Product Code: ARG202509VTR

Availability: In Stock

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Product Description

2025 Argon 18 Sum Pro Shimano Ultegra Di2 | Carbon Aero Race Bike

2025 Argon 18 Sum Pro Shimano Ultegra Di2

The All-Rounder Aero Powerhouse. Engineered for the Podium.

The 2025 Argon 18 Sum Pro is a masterpiece of aerodynamic efficiency and lightweight agility. Designed to dominate both flat sprints and grueling climbs, the Sum Pro utilizes a Pro-level carbon layup to ensure maximum power transfer. Outfitted with the precision of Shimano Ultegra Di2, the aerodynamic stability of DT Swiss ARC1400 wheels, and the low-friction performance of CeramicSpeed, this bike is built for riders who settle for nothing less than elite performance.

Key Highlights

Pro-Level SUM Pro Carbon: Advanced layup optimized for the perfect balance of aero drag reduction and climbing weight.
Shimano Ultegra Di2 R8150: Lightning-fast 12-speed electronic shifting providing professional-tier reliability.
DT Swiss ARC1400 Dicut: Premium aero wheelset engineered for high-speed stability and minimal drag.
CeramicSpeed Efficiency: Pre-installed CeramicSpeed BB86 Coated bottom bracket for maximum watt savings.
Vision Metron 5D ACR EVO: Fully integrated carbon cockpit for a clean aesthetic and superior aerodynamic profile.

Technical Specifications

Frameset & Cockpit
Frame	SUM Pro Carbon, Pro Level Layup, Fully Integrated Cables
Fork	SUM Pro Specific Carbon, Stealth Cable Routing
Headset	FSA NO.55R 1.5'' + 3D System
Handlebar/Stem	Vision Metron 5D ACR EVO Integrated Carbon
Seatpost	SUM Specific Aero Carbon (Included)
Saddle	Repente Quasar CR (Carbon Rails)
Drivetrain & Shifting
Groupset	Shimano Ultegra Di2 R8150, 2x12 Speed Electronic
Crankset	Shimano Ultegra R8100, 52/36T
Cassette	Shimano Ultegra CS-R8100, 11-30T
Bottom Bracket	CeramicSpeed BB86 Shimano Coated
Chain	Shimano Ultegra CN-M8100
Brakes & Wheelset
Brakes	Shimano Ultegra Di2 R8170 Hydraulic Disc
Rotors	Shimano RT-CL800 (F: 160mm / R: 140mm)
Wheels	DT Swiss ARC1400 Dicut Carbon Disc
Tires	Challenge Criterium RS TLR 28c, Black
Clearance	30c (32mm Measured)

Ride Character

The 2025 Argon 18 Sum Pro is a "no-compromise" racing machine. It bridges the gap between dedicated aero bikes and lightweight climbers, providing a surgically precise handling profile that inspires confidence on technical descents. With the integration of CeramicSpeed bearings and the DT Swiss ARC1400 wheelset, every watt you produce is converted directly into forward momentum. This is the ultimate tool for the competitive cyclist looking to redefine their limits.