We test 7 leading tubeless sealants to see what seals a 3mm and 6mm hole after over a month of use.

Product: Maxima Tubeless Sealant
From: lustyindustries.com
RRP: $39.99 for 473mL
Time to seal a 3mm hole: 3:25 – plugged due to pressure loss.
Pressure lost: 13psi
Time to seal a 6mm hole: FAIL – under 30 seconds to flat
Pressure lost: Complete
AMB's notes: Maxima Tubeless Sealant needed 120mL of sealant for the 2.4” test tyre, which puts it at about $10 per wheel. The test results weren't good, especially with Maxima's claims of upto 6 months product life. I reinflated the tyre (with two plugs) the next day with fresh sealant and it was fine. I repeated the test, with fresh sealant, and the 3mm hole sealed in 1:04 with 2psi lost. After reinflation to 22psi, the 6mm cut dropped to 10psi in 3 minutes and would need a plug to seal completely, as at that pressure you're not riding anymore. This is a good sealant and it works fast when fresh, but I think it may go off in Australian heat faster than Maxima expect. This procedure is far from conclusive on that front.
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