My boss @ work is a die hard cooper guy, claims they are using better grades of carbon black than the competition and in turn getting better performance from their tires, since avon is a cooper brand, I thought about giving them a shot. the storm 2 seems like a comparable tire to the angel ST's i'm currently running, but i am hesitant to change from a tire that I like so much. anyone here with heavy bikes use them? busa's 14's connies, bkings, liters, etc...