SKU: 80531772408

Ultimate Tubeless Sealant (16oz)

Sale price$21.59 Regular price$23.99
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 22 - Jul 27

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Description

Ultimate Tubeless Sealant (16oz)Injectable through your valve, seals a 6mm+ puncture, and lasts up to 6 months. The perfect sealant for those looking for the ultimate sealing power, longevity, and ease of use. The original sealant formulation, released 2. 5 years ago, was designed primarily for effective puncture sealing by maximizing the surface area of the liquid latex for enhanced performance. Pro racers valued its convenience, as they frequently changed tires based on race

Injectable through your valve, seals a 6mm+ puncture, and lasts up to 6 months. The perfect sealant for those looking for the ultimate sealing power, longevity, and ease of use.

The original sealant formulation, released 2.5 years ago, was designed primarily for effective puncture sealing by maximizing the surface area of the liquid latex for enhanced performance. Pro racers valued its convenience, as they frequently changed tires based on race conditions and could easily pour in fresh sealant without needing to inject it through the valve. However, we heard two main concerns from more casual cyclists—it dried out quickly when not in use, and its composition of the longer strand carbon fiber made injection difficult and problematic, leading to a potentially messy installation if not handled carefully. 

Please Note: Injectors are sold separately.

Lastly, the old Natural Latex formula needed a two-step process to stay liquid longer. That has been eliminated with our new blend of natural and synthetic latex. SILCA Ultimate Sealant Is a one-step process lasting +6 months and still, above all else, sealing punctures on race day.

SPECS:

  • Seals 6mm+ punctures
  • Injectable through the valve (Injector sold separately)
  • Lasts 6+ months
  • Proprietary Natural and Synthetic Latex blend
  • Optimized carbon fiber strands
  • Advanced Foaming agents to carry carbon strands to a puncture
  • Tested to seal punctures down to temperatures of -15C (5F)
  • Available in 1L, 500ml, and 65ml bottles
  • Ammonia Free
  • Not injectable in Reserve valves
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 80531772408

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A
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Al
Phoenix, US
★★★★★ 5
works as described
works as described
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Reviewed in the United States on May 1, 2026
J
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Joseph Garces
New York, US
★★★★★ 5
Thick and soft.
What a steal. Thick, warm, soft and such high quality. This is an amazingly nice sweater.
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Reviewed in the United States on May 23, 2026
K
Verified Purchase
kb
Massapequa, US
★★★★★ 5
Great for layering or wearing on its own!
I’m 5’6” and ordered the small — it fits perfectly! The color is exactly as shown in the pictures, a beautiful beige that goes with everything. The fabric is incredibly soft and comfortable, making it great for layering or wearing on its own. I’m really happy with this purchase and would definitely recommend it!
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Reviewed in the United States on November 1, 2025
C
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CC7
Grantham, US
★★★★★ 3
Nice but not great
Fits true to size. I ordered a small and it was a great fit. Could be a bit softer. Loved the style. Not too thin or not heavy, nice weight. This quality of the sweater was nice, however the buttons broke apart as I was styling the cardigan. Not happy to have to sew on small buttons to fit the small holes. It’s nice but I had to put too much effort into wearing it.
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Reviewed in the United States on February 11, 2026
K
Verified Purchase
KINDLE
Dallas, US
★★★★★ 4
Great product
Color: Black, Size: Medium
Love it. Fit is great. The only issue is pilling
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Reviewed in the United States on April 22, 2026

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