BMC Integrated Top Tube Bag

The BMC Integrated Top Tube Bag is a purpose-built storage solution designed specifically for select BMC platforms, including the Roadmachine 01, URS 01, URS LT, and Kaius 01. Engineered to integrate cleanly with the bike’s frame design, it provides convenient on-bike storage without compromising the sleek lines or aerodynamic intent of BMC’s modern performance and gravel platforms. The result is a discreet, functional accessory that blends seamlessly into the bike’s silhouette while adding practical everyday utility.

Developed as part of BMC’s integrated accessory ecosystem, the top tube bag mounts directly to compatible frames using a secure bolt-on interface. This fixed attachment system ensures a stable fit that minimizes movement over rough terrain while maintaining a low-profile position along the top tube. By integrating directly with the frame rather than relying on straps, the bag preserves paint protection, reduces shifting under load, and supports a cleaner overall aesthetic.

Constructed with a focus on lightweight durability, the bag is designed to withstand the demands of road and gravel riding alike. At just 97 grams, it adds minimal weight while offering reliable storage for essentials such as nutrition, tools, or small personal items. The streamlined shape helps reduce knee interference while pedaling, making it suitable for both endurance road rides and technical gravel terrain where efficient movement and comfort are critical.

Compatibility is a key strength of this system. The Integrated Top Tube Bag is specifically engineered for BMC’s Roadmachine, URS, and Kaius platforms, ensuring precise fitment and alignment with each frame’s mounting points. This model-specific approach guarantees a secure installation and maintains the intended aerodynamic and ergonomic characteristics of the bike. Included in the box are the bag itself along with the required mounting bolts for straightforward installation.

Designed to complement BMC’s broader integration philosophy, the Integrated Top Tube Bag enhances practicality without disrupting performance or aesthetics. It is a simple yet highly effective solution for riders who want accessible storage that feels like a natural extension of the bike.

Key Features:

• Integrated bolt-on top tube bag designed for select BMC Roadmachine, URS, and Kaius frames
• Secure fixed mounting system for stable, rattle-free performance on road and gravel terrain
• Lightweight construction at 97 grams for minimal impact on overall bike weight
• Streamlined shape designed to reduce knee interference and maintain pedaling efficiency
• Includes bag and mounting bolts for easy installation and clean integration