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A short tale to illustrate a maintenance issue...
Two days ago I felt my rear tyre begin to get 'squirrelly', meaning pressure reduced. I stopped and it was quite a bit down, and I found a tiny hole in the sidewall, bubbling but not sealing. I put my finger on it and gave it ten seconds, and it was sealed. I pumped tyre up to nearly the pressure I usually use, and finished the ride. It cost me four minutes....
Having lent my bottle of sealant to my local bike shop, I took the bike there the next day, with my "putting extra fluid in" syringe, and I showed them the tiny hole (now sealed solid) and suggested that the tyre was probably just about empty of sealant fluid, which would account for the delayed seal and loss of significant pressure.
The owner agreed and showed me an easy way to test. First you unscrew the valve core, with the valve situated a 3 o'clock, so any fluid will have drained away and not spurt all over the place. Then you put the valve at the bottom. Then you get a tiny Allen key and dip it to the inside bottom of the tyre, withdraw it, and read off the level of the fluid.
My tyre had none.....
We reposed it, and you then have to reinflate / reseat the tyre...
The moral of the story is that I was lucky, cos if there had not been the last dregs of fluid in the tyre, it would not have sealed, and I would have had to put in a tube, which would have taken much longer.
The tyre had done maybe three months and 7,000 kms and the fluid was just about gone...
I strongly suggest you check your sealant regularly.
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fussballclub
@amey
The wheels are tubeless compatible .. I think I am not ready for sealant mess yet ..