Silca Tubeless Sealant
Best high-performance sealant for cyclists needing reliable, long-lasting puncture protection.
This sealant uses carbon fiber technology to patch surprisingly large punctures that would leave other tires flat. It is incredibly effective at keeping you rolling, but you have to sacrifice convenience—the thick, fiber-heavy formula requires pouring directly into the tire rather than using a standard valve injector.
$24.00
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Who it's for
- Road cyclists needing reliable puncture protection at high tire pressures
- Gravel riders and mountain bikers tackling rough, debris-filled terrain
- Cyclists seeking low-maintenance setups with infrequent sealant top-offs
Who should skip it
- Home mechanics who prefer easy, mess-free tire installation
- Riders needing immediate, local access to replacement sealant
- Budget-conscious riders prioritizing cost-effective maintenance supplies
Performance breakdown
Puncture Sealing Capacity
Carbon fiber technology handles massive 7mm tears with impressive reliability.
Installation Convenience
Direct tire pouring is messy and incompatible with standard valve injectors.
Longevity
Stays effective for months, though regular replenishment is required for peak performance.
Cold Weather Performance
Remains fluid and functional even in freezing temperatures down to 10F.
Maintenance Requirements
Requires consistent upkeep with the proprietary replenisher every few months.
Sealant Consistency
FiberFoam matrix creates a robust, durable plug for high-pressure riding.
Key Specs
Effective down to 10F / -12C
Seals up to 7.5mm holes
Lasts up to 6-9 months depending on humidity
Must be poured into tire during installation
Not injector compatible
Use Replenisher every 90-120 days
Contains 6, 9, and 12mm recycled carbon fibers
Made in the USA
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Ask Metto anything about the Silca Tubeless Sealant before you decide.
