• The sealant? I take the valve core out, use a big syringe barrel and inject it, put the valve core back in, done.

  • nope, you carry a spare tube but are much less likely to have to deploy it

    (i also carry a rubberized superglue that i have successfully used to seal large cuts and then carry on riding after simply pumping up the tyre again)

  • I'm still using tubes on my road bikes. I'm in no hurry to convert. I might look at UST rims when I wear out the existing rims. In like five years time then.

    Cross and MTB get the tubeless shiz for additional durability and low pressures.

  • So instead of a common tube, I'm carrying sealant, valve cores/tools, syringe? Pass.

    Nope, as you don't need any of that stuff. Small holes will be sealed by the sealant, large holes you fix using a tubeless repair kit:

    Which looks massive in that picture but is actually very small.

    You stop, shove the pointy thing in through the hole, pull the device back out leaving the sticky rubber bung in the hole, then pump the tyre up again and you're on your way.

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