bonzobanana
Guru
I've almost finished stripping the bike and it is surprisingly light even though I assumed it would be a little lighter being of lugless construction. I've just got the head races and the bottom bracket to remove and then I will weigh the frame and forks separately. The frame seems to be in very good condition with little rust. I intend to remove (grind off) the mudguard rings and smooth out the edges of the dropouts with some light filing (to reduce that cheap stamped out look) before the powder coat. These bikes really are lovely when polished up to show off their lugless frames.
I must admit I'm curious to know what the frame weight will be with or without paint compared to the Reynolds chromoly frames or lower end high tensile steel frames I expect it to be somewhere in the middle. So are the are tubes butted? It used to be butting not only saves weight overall but provides more material for the weld area. You could in theory have thinner tubes with lugs as they are brazed and supported across a wider area in the lugs. I'm expecting a mid-level weight result but to be honest I don't know what a good reynolds chromoly frame would weigh or a basic high tensile steel frame of the time. You hear so much about CF frames being sub 1kg nowadays and aluminium being not far behind but unsure what these old steel frames would weigh. I have a Saracen Pylon frame from about 2009 which is a heavy duty aluminium commuting bike and I weighed the frame at 2.2kg. It's totally overbuilt with a reinforcement plate around the disc brake mount and lots of additional strengthening. I think it was one of the few frames I weighed out of curiousity. I suppose if I was guessing the weight of your frame I would say between 1.4 and 1.7kg. I've just googled and in a forum it stated a classic steel frame is about 4lbs which is 1.8kg but not sure if it meant classic high tensile basic frame or a more race focused chromoly steel frame. We need a long thread whenever people weigh their frames and forks they enter it into that thread. I'm sure it could be a valuable resource. Perhaps you could start one when you weigh yours.