my take is there will be less on vintage bikes and more classic look steel for a certain population
There are some people that don't care, but to me sloping top tube and threadless headset bikes, no matter what the material, are from a minimum awkward looking to simply ugly
A classic steel frame (vintage or not) with modern running gear is a wonder. I love my torpado, but as it is down with two dead wheelsets, I broke out my Miyata for commuting.....and was reminded how nice brifters and dual pivot brakes are.
the other problem/challenge to getting new C&V riders (and road) is that we have a whole generation who have never ridden drops and assume without evidence that they are uncomfortable.
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Life is too short not to ride the best bike you have, as much as you can
(looking for Torpado Super light frame/fork or for Raleigh International frame fork 58cm)