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should you gaze upon the underside of the shell you shall likely find a "21" in two places

this is the cycle's nominal frame size as measured in inches c-t-t

frame constructed with Agrati lug pattern "BRIANZA" ART. 000.8030/U

upper head lug N.000.8034

lower head lug N. 000.8033

seat lug N. 022.8039

from the bit which can be seen of the shell it appears it may be pattern "AM"

tubing likely to be something such as Falck plain gauge, would expect a pillar of 26.2 or 26.4

hub axle locknut dates should be something close to 59

pedali originali would likely have been something from Sheffield, most probably model Corsa 655 or model 663 rather than these Sakae Ringyo fellas




OEM stem would have been either Ambrosio I-beam or Champion

count yourself fortunate that chainset Y-adaptors are ferrous, they were also produced in dural which were failure prone

wedgebolts are 9.0mm in diameter with a "medium" cut

original gear mech would of course been a GS

model appears a midliner, one up from base and two down from top

Oldairhead shall have far more & better information whenst he chooseth to drop by


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