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Help identifying 60's Vintage Bike

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spence_of_humor

On Training Wheels
I purchased this beautiful vintage bike from Facebook today to cruise around town. The previous owner said she believes it's from the 1960's but it's been painted at least twice and I cannot find any brand identifiers for the frame or breaks. There are two numbers stamped on the underside of the crank, 4629213 and 503.47312.0. It is a 10 speed with manual shifters below the handle bars on the headset. Any information would be appreciated!
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GTs58

I'm the Wiz, and nobody beats me!
The number 502 used to be a Sears ID on the bikes they had made for them. 503 might be a newer number for the 70s. It is possibly a Sears sold bike.
 

Freqman1

Riding a '37 Dayton Super Streamline
Looks foreign made. What do the brake calipers and derailleur say on them?
 

juvela

Cruisin' on my Bluebird
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manufactured in Graz Austria by Pcuh/Steyr

503 is the Sears source code for this maker

the cycle's model of Simplex Prestige shift lever did not begin coming in on new machines until the 1971 model year

you may find a date marking on the backside of the Simplex Prestige rear derailleur or on the underside of the body of the Simplex Prestige front derailleur

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me "guesstimate" would be ~1972


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juvela

Cruisin' on my Bluebird
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spanner twistin' tip to be aware of -

frame has unique steerer & headset size of 26.0mm diameter

this is sometimes referred to as "Austrian size"


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Jesper

Finally riding a big boys bike
Looks like Altenburger front brake caliper so what Juvela says makes sense.
 
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