Uploaded April 2022 | Updated September 2026, 2 weeks ago

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Saddleback, a UK-based bicycle distributor, tested the Ultimate Tubeless Sealant using various puncture sizes to see how it seals. Watch what happens. Thank you to Saddleback for sharing the video.

The Ultimate Tubeless Sealant uses recycled carbon fiber to create a bond between the sealant and the puncture. We like to call it a fiber dam. For race day sealing power and endurance performance, try SILCA's sealant.

Sold at retailers worldwide.