Originally Posted by
beicster
On a somewhat similar topic, can anyone enlighten me about the weight difference in similar size bikes, one with plain gauge 531 and one with double butted 531? I don't need down to the gram, but would the difference be a couple of ounces, a half pound, etc. I know there are other things such as ride quality attached to butting, but I am mostly just interested in the weight.
It depends on which gauge 531 it is. There were 3 thicknesses commonly available, 0.9, 0.8 and 0.7. Then there's the issue of stays and fittings. 0.7 main tubes would be maybe an ounce heavier, give or take, 0.9 about half a pound.