They leak around the rim bead seal. That is the problem. One tire company has put their seal solution on them. But during the hot summer their sealant started to seep out and now they lose air. I need to check and add air weekly. A real pain in the rear. That is why I am still looking to have inner tubes installed. I found a company locally that will install inner tubes if I can finf them and buy them. No luck finding them so far.
