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Just a remark about construction of the 6:4 bikes vs 3:2. The former is/was too hard to draw into tubes so they were rolled into tubes from flat sheets of titanium and welded, and so have a seam down their length. As I recall the Vortexes (Vortices?) were notably lighter and stiffer than other Litespeed models made with 3:2, but perhaps not as comfortable. Agree it would be a pretty stylin' rain/trainer.
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