Joe’s No Flats Super sealant is one of the original latex tubeless options and remains a popular option among the best tubeless sealants. Despite being one of the cheapest sealants currently available and coming in multiple sizes, the performance leaves something to be desired.
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Joe's No Flats Super Sealant – Technical details
Joe’s No Flats have been making tyre sealants for 17 years and is one of the first companies to move into production when tubeless technology started to become mainstream in road cycling and mountain biking. It makes some bold claims about the Super Sealant, suggesting it is the most effective around, with ultra-fast and eco credentials. It is suitable for use in a wide temperature range, from -20 to +70 degrees, and suitable for all bikes with a pressure range of 15-100psi.
The solution is latex-based with small particles within the fluid to help seal punctures and both the particles and fluid are claimed as being eco-friendly.
Joe's No Flats Super Sealant – Performance
To test sealant performance, we created a standardised puncture test to assess each contender. The same exact tyre on the same rim for each sealant. The tyre used was a Halo GXC, measuring 47mm. Tyre sealant was added in the amount suggested by the manufacturer, and the tyre was inflated to 40psi. This pressure was chosen to give a realistic tyre pressure for all areas of off-road riding. A digital tyre pressure gauge was used to ensure that the pressure was identical on each test. After that, the tyre was rotated sufficiently to ensure that it was distributed evenly throughout the tyre. The tyres were all punctured by driving a 3mm nail through the carcass. The wheel was rotated to assess if the sealant had successfully sealed the hole. If the sealant worked, the test was repeated using a 5mm diameter nail, and if successful on the larger hole the remaining air pressure was measured with a digital pressure gauge and the result was recorded.
Joe’s No Flats Super Sealant didn’t perform particularly well in our puncture tests, sealing the smaller 3mm puncture with spray and bubbles. When it came to larger punctures, there was a significant amount of sealant and air released. When it did seal the remaining air pressure was 34.9psi, which is lower than many other sealants that have been tested.
During long-term use, it faired a little better and, after two months and regular use, there was still lots of fluid moving within the tyre, and much of the particles that should seal punctures were all still separate.
The solution did wash out but there was some sealant that had stuck to the carcass and this required some work to completely remove.
Joe’s Standard Sealant is one of the cheapest sealant options and costs £20 for the largest 1-litre bottle. It is available in multiple sizes, from a small 60ml that would be suitable to carry with you on a ride, plus 125ml, 500ml and 1-litre options.
It works out well against other options. Premium sealants such as Silca Ultimate costs over double at £44 for a similar-sized bottle. WTB TCS sealant is one of the best value options, but this will also cost £5 more for the 1-litre bottle.
Joe's No Flats Super Sealant – Verdict
Joe’s Super Sealant is a low-priced sealant option and it lasted well in our testing but the puncture protection doesn’t compete against the best tubeless sealants that we tested. The bold claims are not substantiated and mean that if puncture protection is your main goal, spending a little more may be best.
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