Originally Posted by
D1andonlyDman
BTW, True-Temper is good tubes - probably as good as 531, but cheaper in those days as they fought for market share, which is why Trek used it in their lower-end bikes.
TT1 is the tubing used in an '85 Trek 460 I had. Excellent tubing. Very light for the day and in my estimation was as good as a 531.