Joined: Jan 2008
Posts: 23,645
Likes: 1,109
From: Mans of NC & SW UT Desert
Bikes: 86 Katakura Silk, 87 Prologue X2, 88 Cimarron LE, 1975 Sekai 4000 Professional, 73 Paramount, plus more
I just picked up a couple of GT MTBs (I know I have sworn off buying any more MTBs....) at my favorite thrift store, and they used the steel triple triangle frame for those bikes as well (both cromoly frames). So there is a wide variety of them out there.