Muc-Off No Puncture Hassle Tubeless Sealant, 1 Liter - Advanced Bicycle Tyre Sealant with UV Tracer Dye that Seals Tears and Holes Up to 6mm (1 Liter (Pack of 1))

Great sealant other than the color. Total joke. Works amazing. Great value for the money. Like all sealants just don’t make a mess and it’s not messy. Good thickness. It saved me on my rim tape leaking long story but I prefer muc off rim tape now. I suggest 20 more ml than you think you need. It’s worth it.

I've had at least two punctures that I know of since switching from tubes to Muc-Off Tubeless Sealant. First was a roofing tack that went straight into my tire. I pulled it out, sealant bubbled from the hole for about a second, and then it stopped. Didn't lose any tire pressure, and the seal held. Second was a small gash in the sidewall right near the rim. Now this one didn't seal up on its own, but the sealant did reduce the amount of air escape so I didn't have a sudden catastrophic loss of pressure. It took two bacon strips to plug the hole, and then it sealed and surprisingly held for several weeks before the bacon strips popped loose, and I just replaced the tire. To be fair, that's a tough situation for any sealant to deal with, so I'm impressed with how well Muc-Off performed. Other things I like: the bright pink color stands out and is easy to see if you're hunting for a leak, it remains liquid in the tire for a long time, it smells like a fruit smoothie, and it washes away with plain water.

I love the applicator and the fact it has measurements on the side. I made the mistake of buying injector and it clogs constantly while this one if it clogs I just massage the tube and it usually gets removed. If not I remove the bottle and work it back down in the bottle. I see that some people got solid bottles or broken bottles. That's annoying and I did get a broken bottle my first order, I returned it and the new one came in perfect condition. If you already have a bottle save the caps, lids, and application tube to save the return process.

I’ve gone through a lot of tubeless sealants over the years, but Muc-Off No Puncture Hassle is in a class of its own. It’s super easy to install, coats evenly, and seals punctures fast. On my very first ride after using it, I hit a thorny section of trail and the sealant handled it instantly—no pressure loss, no drama, just kept rolling. One thing that really surprised me: it actually smells good. Most sealants have that harsh chemical odor, but this one has a much more pleasant scent, which makes setup way less messy and off-putting. Little detail, but it goes a long way when you’re working in your garage. The UV detection system is genius—I can quickly check coverage and feel confident before heading out. Plus, it lasts a long time without drying into clumps, so I’m not constantly topping it up. And when it’s time to swap tires, it doesn’t leave behind a gummy nightmare. This sealant really lives up to the “No Puncture Hassle” name. Reliable, effective, and even enjoyable to use. I won’t ride tubeless without it.

The real question is, "Does this product seal punctures?" The answer is, "Yes, with reservations." During the last couple of months, It has sealed four punctures for me and my riding buddies. All punctures were caused by "wire whiskers" (apparently from worn out automobile steel-belted tires), and thorns ("goat heads"/"puncture weeds"). BUT, it failed to seal a 1/8" glass cut. Could the cut have been 1/4"? Possibly. In any case, it failed to seal, and after running out of gas cartridges, there is no way to fix the hole (short of inserting a tube), because the sealant requires some pressure to force it into the puncture. Also, the first time you use this product, it isn't as mess-free as advertised. The learning curve is short, though, and subsequent times are much better. Good news is that spilled sealant cleans up easily with a damp/wet cloth. Incidentally, I now put in 60 ml. of sealant every two months, i.e., twice as often as recommended. I do not bother to remove the sealant still in the tire when I add new fluid. This doesn't seem to make a difference, and it saves a lot of work.

Excellent product, really light and does the job perfectly

Good value

This has all but ruined my bike frame. It doesn’t seal well and shoots sealant all over you and your bike. The instructions on the bottle say to clean spray with a cloth and water before it dries, but that’s not very practical when you’re on a long ride. Good luck getting it off once it dries. I’ve pressure washed and machine polished my frame and it’s still covered in sealant. Very disappointing considering how much money goes into a good bike.

Buen producto .hace bien su función.

I've been using Muc-Off Tire Sealant for a few months now and it's exceeded my expectations. Installation was quick and mess-free thanks to its smooth consistency, and the UV detection feature is a clever touch for spotting any issues early. What really impressed me was how quickly it sealed punctures—I hit a thorny section on a trail ride and barely noticed the leak before it sealed up within seconds. No pressure loss, no stopping, just confidence to keep going. It’s lightweight, eco-friendly, and doesn’t clump like some other brands I’ve tried. Highly recommend it to anyone who wants a reliable sealant that just works when you need it most!

Not sure if the mixture is really that thick. Pls refer to the photo. Its not sealing the tyre.

Excelente precio - calidad

Utilizzo il Muc-Off No Puncture Hassle Tubeless Sealant sulla mia eMTB, e devo dire che è uno dei migliori sigillanti che abbia mai provato. Offre una protezione eccellente contro le forature, mantenendo le gomme in perfette condizioni anche su terreni accidentati e con ostacoli imprevisti. Facile da applicare e senza sporcare L’applicazione è semplicissima grazie alla pratica confezione con tappo dosatore. Il liquido ha la giusta consistenza per distribuirsi uniformemente all’interno del copertone senza creare grumi o blocchi. Inoltre, la formula UV permette di individuare facilmente eventuali perdite con una luce specifica. Protezione immediata e duratura Ho testato il sigillante su diversi terreni, dai sentieri fangosi ai percorsi rocciosi, e ha sempre sigillato rapidamente piccole forature senza perdere pressione. Anche dopo mesi di utilizzo, il prodotto resta attivo e mantiene la sua efficacia senza necessità di rabbocchi frequenti. Ottimo per uscite impegnative Perfetto per chi, come me, usa la eMTB su percorsi tecnici e accidentati. Mi ha già salvato da diverse forature che avrebbero potuto rovinare l’uscita, permettendomi di continuare a pedalare senza problemi. Inoltre, la compatibilità con alte pressioni lo rende adatto anche a un utilizzo su bici gravel o da strada. Rapporto qualità-prezzo eccellente Il Muc-Off No Puncture Hassle ha un prezzo competitivo considerando la qualità e la durata nel tempo. Non secca rapidamente e mantiene le sue proprietà sigillanti più a lungo rispetto ad altri prodotti provati in passato. Conclusione Se cerchi un sigillante tubeless affidabile e di lunga durata per la tua eMTB, il Muc-Off No Puncture Hassle è la scelta perfetta. Facile da applicare, protegge in modo efficace da forature e ti permette di affrontare qualsiasi uscita senza preoccupazioni. Consigliatissimo!