Stan's No Tube Preventive Liquid Tyre Sealant,Black,946 ml

Good sealant if slightly expensive. I used this one due to setting up through valve cores as had heard that the Pro version or other types had more fibres in. So far this has been great and after getting a puncture without it I haven't had since. Time will tell but this is working for my and my offroad trail and gnarly downhills

Our No1 go to for a tubeless set up , buy with confidence !!

Bang the right amount into your tubeless and away you go. I try and remember to change it every 3 months or so. Never had a flat running on it. Slight problem with the pointed dispensing cap which you have to cut the end off to start with. The first bottle i cut too much off so i had to be careful dispensing it - tricky as you have to dispense with the bottle upside down - used a judicious finger over the end. Also (the nature of the beast) it clogs as you are pouring so you tend to have to shake the bottle again. Minor quibbles that do not detract from a five-star rating. Great stuff!

Been using this over a year now on 3 bikes, and got through just over a litre with changes and top ups.- Seals pretty quickly, especially if you notice the puncture andpoint it down to pool the sealant around the hole in the tyre.- Does give you a rather sticky leg unfortunately, so try and get it off before it sets!- Only negative really is the price, as it does seem a bit steep, however if you can get for under standard price of £25 for the big bottle it's not horrific.

Excellent sealant. Does the job perfectly.

Stan's. Say no more.

This will last a while while only using 60mls & if you use the Stans no tubes injector it has the measurement on it so it gives the right amount of less if you want from 10mls to 60mls. Not used it for 6months yet only a month but the way it works I'm sure this could last for quite a few times filling tubeless tyres with it. You probably can top it up every few months like 10mls every 4/6 months or like I have seen on video you just take tyre off 1 side use kitchen towel to wipe clean the old sealant the put tyre back on use injector to put it though the valve so easy. Just make sure injector screwed on otherwise sealant all over floor not done it myself but a friend did it. Least with this you know if have puncture because can see the sealant working hasn't seals the hole. Not having to stop remove tyre to repair saves a lot of time & trouble it on the road and nowhere to pull over. Enjoy cycling without worry of puncture of tyres.

Stans is the best. 'Nuf said.I use the Race Sealant (same as this but with extra big crystals) when mounting tyres and then top ups are done with this stuff as the race sealant cannot be used with an applicator. Other brands are just not as good as Stans.