Road tubeless tyre seated ?

[Vishal72]

Hi

 

Installed a new set of tubeless Continental GP 5000 S Tr tires last night. Installation was a breeze, went on by hand, no tyre levers or soapy water needed. Inflated with a track pump to 5 bar front and rear. However there was no popping\cracking sounds as the tyres were inflated. Did not add sealant. The rear tyre has held pressure overnight but the front was flat this morning. How do I know if the tyres are seated properly ? 

Edited January 21, 2022 by Vishal72

[fanievb]

pump and hold it under water, if you see bubbles, then you know where it's leaking

 

[Jbr]

there is a line on the sidewalls that you should see 1mm or so from the edge of the rim, if you don't see it all around the rim that means the tyre isn't seated properly.

I normally add the sealant, flip the rim to get the sealant everywhere (doesn't usually mess, but sometimes a little bit falls on the floor, then pump it up to about 7/8 bars sometimes for it to seal properly, then down to 6.

If by 8 bars it's not seating properly, try again with soapy water where the sidewall is stuck.

 

This show pretty well what I'm talking about, even if it's a MTB tyre, same thing

I never ever needed anything else than a floor pump to sit a tyre properly

Edited January 21, 2022 by Jbr

[Murrob]

Assuming you are running a hooked rim with the tyres? I find it best seat tyre leaving a bit of space to pour in your sealant. Then with tyre seated but not pumped run a bit of sealant around the inside edge of the rim and on the beading of the tyres. Then pump up to maximum pressure spin and bounce tyres to make sure all sealant is running around. Should make a really nice seal, but do expect to have to pump up the tyres often. I check pressure before each ride.