Yeah its cal t'ar ayre. You just don't have to change yer air as often. Yer dad, OTH is waaaay over due Seriously, tires should seal on the rim with nothing but the lube (soapy water) they use to mount them. If they leak, there's either a bad valve stem, bent or gouged rim, or a hole in the tire (or dry cracked) or a combination of all of the above.
