The Mattone Grande, meaning brick in Italian, is SILCA’s award-winning seat bag reimagined with more storage and the same meticulous attention to design. Building on the original Mattone’s compact innovation, the Grande version nearly doubles the internal volume to 0.74 liters, providing riders with more space while retaining a sleek profile. Designed for those longer adventures or demanding race conditions, the Mattone Grande is capable of holding up to three road tubes, two CO2 cartridges, tire levers, and a multi-tool—or two 29x2.5” MTB tubes plus tools—making it a true all-in-one solution for being prepared on the road or trail.

The Mattone Grande is built to withstand whatever you throw at it, utilizing a high-friction Hypalon strap and SILCA’s advanced Boa Closure System. Unlike Velcro, the Boa dial offers 15 times the holding power with precise ratcheting control that won’t loosen or shift under vibration, impact, or rough terrain. This ensures your pack stays tight and secure beneath your saddle until the moment you need it. The compact yet generous shape allows for smart organization, while the water-resistant materials and zipper keep your essentials protected from the elements. Whether you’re chasing miles on gravel, endurance riding, or racing through singletrack, the Mattone Grande delivers unmatched reliability in a minimalist form.