Stan's sealant?

Thanks mate ill have to get some

Or, find the hole and smack an old-school rubber-and-goop patch on it.

Stan's is great stuff, I've not had a puncture since.

How do you use stan's ?

What wheels do you have? More than likely they'll have removable cores in the valves - take these out and pour in the Stan's, in principle. You can get little refillable bottles to squeeze the fluid in through the small opening. Let me know and I can link to the info, or have a look at justridingalong.com

Edit
Sloshes about in there, waiting to seal punctures without you even realising you had one. Also, helps seal the tyre when you first fit it or stop it slowly going down due to less than perfect seal - which could be all your issue is, even with UST. You'll need to slosh it around so that it gets everywhere, especially into the side wall/rim junction.

Cheers

Iv got xt rims with 2.2 race kings on my zesty 514 i pump it up and it slowly goes down after a week or two mate

Stan's should sort that, even UST isn't perfect, can get small leaks like you describe:

[url= http://www.justridingalong.com/shop.php?product=44 ]stan's solution[/url]

You can pop the bead and pour it straight in, the small bottle is enough for one wheel and an easy way to measure it out.

You will need to top it up after a 2-3 months as it dries out gradually. Once the tyre is sealed you might not fancy popping the bead again and breaking that seal. So that's why the small bottle has a spout, to pour through the valve stem. You need to remove the valve core first with a tool or long nose pliers on the flats of the core if the Shimano ones look like those I've used before:

[url= http://www.justridingalong.com/shop.php?product=3638 ]valve core[/url]

Did you get a valve tool with the wheels? My UST Mavic had a very small plastic key that unscrews the vale from the stem. Must admit not familiar with Shimano wheels.

Get sum likwid laytx from art saply shop put 1 cup of laytx and 1 cup of watar and 1 cup of fethers in the tire so the fethers make the seelent stik 2 the tire and blok puncars I didnt beleve it til I tryed it but it's wikid afektiv

Datz da bezt idea i av eva urd. I fink I wil go pubeless right now. if u get board of ridin wiv da likwid latex u can snif it in a bag and get eye.