2025 Argon 18 Sum Shimano 105 Di2 Carbon Aero Race Road Bike
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Product Description
2025 Argon 18 Sum Shimano 105 Di2
The Aero All-Rounder. Pro-Level Performance Meets Electronic Precision.
The 2025 Argon 18 Sum is designed for riders who demand the speed of a dedicated aero bike without the weight penalty. By blending the aerodynamic profiles of the Nitrogen with the pure agility of the Gallium Pro, the Sum delivers a ride that is fast on the flats and snappy on the climbs. Equipped with the reliable Shimano 105 Di2 electronic groupset and Scope S4.A carbon wheels, this bike is built to handle everything from competitive racing to high-speed club rides.
Key Highlights
- Balanced Race Geometry: Engineered to provide a stable yet aggressive position for maximum power transfer and handling.
- Shimano 105 Di2 R7150: 12-speed electronic shifting that brings lightning-fast, seamless gear changes to the core of the road lineup.
- Aerodynamic Integration: Fully internal cable routing through the FSA SMR-II system for reduced drag and a clean cockpit.
- Scope S4.A Wheels: Performance-focused carbon wheelset offering the perfect balance of aerodynamics and all-road stability.
- 30C Tire Clearance: Room for up to 32mm tires, providing extra comfort and grip for varied road surfaces.
Technical Specifications
| Frameset & Cockpit | |
|---|---|
| Frame | SUM Carbon Aero Race, Fully Integrated Cables |
| Fork | SUM Specific Carbon, Flat Mount Disc |
| Headset | FSA NO.55R 1.5'' + 3D System |
| Handlebar | FSA Energy SCR Compact |
| Stem | FSA SMR-II Integrated Cable Routing |
| Seatpost | Argon 18 SUM Specific Carbon |
| Saddle | Repente Quasar |
| Drivetrain & Shifting | |
| Groupset | Shimano 105 Di2 R7150, 2x12 Speed Electronic |
| Crankset | Shimano 105 FC-R7100, 52/36T |
| Cassette | Shimano 105 CS-R7100, 11-34T |
| Bottom Bracket | Shimano Ultegra SM-BB72 Press Fit |
| Chain | Shimano 105 12-Speed |
| Brakes & Wheelset | |
| Brakes | Shimano 105 Di2 R7170 Hydraulic Disc |
| Rotors | Shimano SM-RT70 Centerlock (F: 160mm / R: 140mm) |
| Wheels | Scope S4.A Carbon, Tubeless Ready |
| Tires | Vittoria Corsa N.EXT TLR 28mm |
| Tire Clearance | 30c (Max 32mm Measured) |
Ride Character
The 2025 Argon 18 Sum is a versatile weapon for the modern road racer. It offers the lightning-fast acceleration of a climbing bike with the wind-slicing profiles of a dedicated aero frame. Thanks to the Shimano 105 Di2 groupset, shifting is effortless and reliable, while the Scope S4.A wheels ensure stability and speed on varied terrains. Whether you're climbing mountain passes or sprinting on the flats, the Sum provides a confident and efficient platform to elevate your performance.
Ordering & Products
```Are the products sold by Runcycles genuine?
Runcycles offers new bicycle products, components, accessories, and related products from established brands. Product information, specifications, and package contents are provided on the individual product page. Customers are encouraged to review the product details carefully before placing an order.
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Shipping & Delivery
```Do you ship internationally?
Yes. Runcycles serves international customers and offers worldwide shipping options. Availability and shipping costs may vary depending on the selected shipping service.
How long does shipping take?
Delivery time depends on the selected shipping service. Estimated delivery time information will be provided during the ordering process, if available.
Will I receive a tracking number?
Yes. When tracking is available for your shipment, tracking information will be provided after the order has been dispatched.
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Returns & Refunds
```Can I return an item?
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Warranty
```Do products include a warranty?
Warranty coverage depends on the manufacturer and the specific product. Where available, warranty information is displayed on the relevant product page or provided with the product.
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Product Information
```Where can I find the product specifications?
Product specifications are displayed on each individual product page. Please review the specifications, compatibility information, dimensions, included components, and other product details before ordering.
Are product images exactly the same as the item I will receive?
Product images are provided for identification and illustration. Product appearance, packaging, graphics, or included accessories may vary by model, production batch, or manufacturer. Please refer to the written specifications and package contents for the most accurate product information.
Customer Support
```How can I contact Runcycles?
For order assistance, product questions, or other inquiries, please contact our customer support team.
Email: order@runcycles.com
How quickly will customer support respond?
We aim to respond to customer inquiries as quickly as possible during business hours. Response times may vary depending on the nature and complexity of the request.
