Silca Ultimate Tubeless Sealant 32oz Carbon Fiber Seals 7.5mm Punctures

Silca Ultimate Tubeless Sealant – Maximum Sealing Power, Long Life

Silca Ultimate Tubeless Sealant is engineered for riders who demand the highest level of puncture protection, longevity, and pressure retention. Using proprietary FiberFoam™ technology, this advanced sealant harnesses recycled carbon fiber strands suspended in a foaming latex to instantly seal punctures up to 7.5mm—often without any noticeable pressure loss.

Designed for road, gravel, and mountain tubeless systems, Silca Ultimate remains effective in extreme conditions, sealing reliably down to 10°F / -12°C and lasting up to 6 months inside the tire. The formula is injectable through the valve, making installation clean, fast, and workshop-friendly.

For riders who want race-level reliability with minimal maintenance, this is the ultimate tubeless solution.

Features & Benefits

• FiberFoam™ technology with recycled carbon fiber strands

• Seals punctures up to 7.5mm

• Often seals large punctures without pressure loss

• Effective down to 10°F / -12°C

• Long service life – lasts up to 6 months

• Injectable through valve for clean, easy installation

• Ideal for road, gravel, and MTB tubeless systems

• Made in the USA

How It Works

• 6mm, 9mm, and 12mm recycled carbon fibers create a mechanical bridge across punctures

• Foaming latex evenly disperses fibers for ultra-strong seals

• Carbon fiber structure reinforces the seal for long-term durability

Maintenance Recommendation

• For best performance, use Silca Replenisher every 90–120 days

• Extends sealant life and maintains peak sealing capability

Specifications

• Volume: 32 oz (946 ml)

• Puncture Sealing Capacity: Up to 7.5mm

• Temperature Range: Down to 10°F / -12°C

• Application: Tubeless tires (road, gravel, MTB)

• Installation: Valve-injectable

• Origin: Made in the USA

Ideal For

• High-speed road riding

• Gravel racing and endurance events

• Aggressive trail and enduro riding

• Riders seeking maximum puncture protection with minimal upkeep

Why Choose SILCA?

SILCA combines cutting-edge materials, race-proven performance, and American manufacturing to create tubeless sealants trusted by elite riders and serious enthusiasts alike.

Silca Ultimate Tubeless Sealant delivers unmatched sealing strength, longevity, and reliability—so you can ride harder, farther, and with confidence.