Representing 30 years of a relentless passion to make the most technologically advanced, high performance, hand made titanium frame in the world. The 2016 T1sl is super light, featuring a redesigned tube set that includes an innovative multi-faceted, tapered 6AL/4V titanium top tube and light weight bottom bracket shell that makes the T1sl frame 15% lighter than the T1, its predecessor. All Litespeed Titanium frames are all made in Chattanooga, TN, USA.