Thread: Help with frame ID
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Old 04-29-17 | 08:48 PM
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Hudson308
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From: Somewhere west of Tobie's

Bikes: fillet-brazed Chicago Schwinns, and some other stuff

That 4.12 lb weight would certainly point to 531 or some equivalent premium tubing. Reference a 55cm (C2C) '74 Raleigh International frame at 4.66 lbs, a 57cm '79 Raleigh Comp GS frame at 4.59 lbs., a 58cm 70's Viscount frame at 4.37 lbs., and a 56cm 4130 Chrome Moly (Schwinn LeTour Luxe) frame at 5.45 lbs. Weights are as the OP shows, with all bearings and cups removed.
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Last edited by Hudson308; 04-29-17 at 09:01 PM. Reason: added more specs
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