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SILCA Ultimate Sealant (1L) combines injectable Fiberfoam® technology with a hybrid natural and synthetic latex formula to deliver the highest level of longevity available along with unbeatable puncture sealing capabilities for tubeless tires. And now it's designed to be easily injected through valves with removable cores, eliminating the potential for mess.
SILCA Ultimate seals holes up to 7.5+mm, 25% larger than conventional sealants. Recycled carbon fibers form an interlocking "fiber dam" for increased surface area for faster sealing with minimal air loss. These fibers are 400% stiffer than fiberglass, ensuring punctures are sealed quickly and effectively.
The hybrid latex formula increases durability, extending performance life to up to 6+ months (depending on environmental conditions). It's also Winter-ready, effective even in the cold.
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
Mfg PartNum: AM-AC-059-ASY-0100 | |
Category: Tire Repair | |
Tested if improved from last sealant. It still plugged my lubricated tubeless valve core as recommended by Silca. It happened to both my bikes with this refresh. Maybe I really need those big bores but not long enough for my wheelsets. Silca make one.
I'm using Reserve Fillmore valves so I wasn't able to inject this stuff but I still used a sealant injector to get it into the tire without making a mess and it did not clog. I've already had a small puncture that sealed but it did take a while, it was close to the sidewall and I probably didn't have enough sealant in the tire to be honest. I didn't look at the recommended amount for the size tires I'm using so I should have added 15-20ml more. Assuming this stuff lasts at least a few months and the fiber foam stays suspended in the sealant rather than gathering along the tire bead making it less effective then I will buy it again. It is expensive but so far so good and it is a vast improvement over the original stuff as far as usability goes.
My punctured tire started losing air more rapidly so I added 30ml of sealant and now it is holding air much better. Much like Muc-off and Peaty's sealants this stuff coats the inside of the tire so more than usual is needed to have the free flowing puddle to take care of larger punctures.
Tested if improved from last sealant. It still plugged my lubricated tubeless valve core as recommended by Silca. It happened to both my bikes with this refresh. Maybe I really need those big bores but not long enough for my wheelsets. Silca make one.
