Hey Afan, just had a thought. have you checked with your local bike shop or dismantlers shop and see if they'll swap you one or take that one in on trade for another? Possibly a "recycled-cycle" shop to see if they would? I have a couple in my area that would do that and thought you might as well since the tire is obviously still new and hasn't been mounted. If nothing else a guy could always post it on Craigs List or even FleaBay!