Rick

I just mounted a set of Hoosiers and noticed the day after my heat cycling run that the pressure had dropped by several pounds in two of my tires - one dropped 3 pounds and the other about 5.5 pounds within 18 hours.

I sprayed the bead area and valve stem thoroughly with soapy water thinking that is where I might have a leak - instead, I found that both tires are slowly losing air around the tread groove.

I emailed Hoosier and they said that often their tires weep in this area as a result of their effort "to build the lightest tire possible".

Should I be concerned?

Matt H

All tires lose air given time/temp. If they said it is alright I would probably document (send them a letter and ask for response) just in case they dont last or let go early, might help you get another set.
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Greg Fishman

Rick,
That is pretty typical. I wouldn't worry about it.