Hi, I have an 87 cannondale criterium and I am planning on upgrading to 10speed drivetrain(yes, it has 130mm rear spacing). Anyways, I was thinking of just going with DuraAce downtube shifters because I hear STI is not very good. Is this true, how long do your levers usually last? I dont want to spend all the money for shifters that are only going to last a year or two. I ask because after reading some reviews on this website, they all sound like crap. Thanks.