Isn't those Keirin frame are also thinner than usual? making them more prone to dent?
no .8-.5mm is similar to old 531 and cheaper tubesets available today.
(spec used from kaisei cr-mo19 wall thickness from the bomber pro website)
high end modern steels are a lot thinner than that (.5-.38mm)
no .8-.5mm is similar to old 531 and cheaper tubesets available today.
(spec used from kaisei cr-mo19 wall thickness from the bomber pro website)
high end modern steels are a lot thinner than that (.5-.38mm)