Developed with a no-compromise approach to puncture protection, Silca Ultimate Tubeless Sealant is engineered for riders who demand maximum reliability with minimal maintenance. Using Silca’s advanced FiberFoam® technology, the sealant actively seeks out punctures and rapidly forms durable seals that stand up to high pressures and aggressive riding. Designed to remain effective for months inside the tyre, it reduces the need for frequent top-ups while delivering consistent performance across road, gravel, and mountain bike applications. This is a premium sealant built for riders who want confidence every time they roll out.

Key Features & Technical Details

• FiberFoam® formulation combines natural and synthetic latex with reinforcing fibres for structural puncture sealing

• Proven to seal punctures up to approximately 7.5mm in controlled testing

• Long service life, remaining effective inside tyres for 6 months or more

• Performs reliably across a wide temperature range, including sub-freezing conditions

• Compatible with tubeless road, gravel, and MTB tyres