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PostPosted: Wed Sep 26, 2018 10:53 am 
Newbie

Joined: Wed Sep 26, 2018 8:18 am
Posts: 6
Hi! My name is Javi and I’ve found an old bike (i think 1920’s or 1930’s) in a very well condition, but the brand is almost deleted. What I know is that the saddle is a dunlop one (rubber), the hubs are Sturmey Archer 3 speed with drum brakes (model KB 4) and frame number is “RU 4638”. Could anybody help to find at least the brand? Thank you very much!!


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PostPosted: Wed Sep 26, 2018 4:32 pm 
Retro Guru
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Joined: Mon Mar 02, 2009 4:22 pm
Posts: 1631
It sort of looks like the bottom of a BSA head badge and BSA used to put red box lining like that on their bikes. It also looks like the same sort of profile as a BSA fork and the same sort of shape fork crown.

Is there a date number on the Sturmey Archer hub? Usually if there’s a two-digit number it denotes the year the hub was made e.g. 52 is 1952. If not, the model number will point to a date range if it’s a mid-1930s or earlier hub.

https://www.sheldonbrown.com/english-3.html#sturmey


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 Post subject: Re:
PostPosted: Wed Sep 26, 2018 7:21 pm 
Devout Dirtbag

Joined: Fri Jun 14, 2013 6:03 pm
Posts: 128
Hi, Interesting find, I am thinking it is possibly an old police bike or maybe some other offical or military bike, it is not dis-similar to this 1953 Humber Police issue ? maybe not the same manufacture but the spec is very similar, I would be inclined to pursue that as a line of enquiry ( see what i did there ? ) :-)


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PostPosted: Wed Sep 26, 2018 7:25 pm 
Newbie

Joined: Wed Sep 26, 2018 8:18 am
Posts: 6
Yes, I thought the same but no way to find this kind of serial number on BSA manuals... It’s the same situation with some Phillips bicycle (like this one http://bicicletasclasicasleo.com/philli ... 6vKCBbtaEc ), quite similar with some models but impossible to find this kind of 2 letters plus 4 numbers... and obviously the trademark doesn’t seem the same.
I have to check if there is any other number on the hubs, I didn’t see any other... otherwise, i’ve seen at Sturmey-archerheritage that this hub is from 1918.
Thank you very much for your information!!


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 Post subject: Re:
PostPosted: Wed Sep 26, 2018 7:31 pm 
Devout Dirtbag

Joined: Fri Jun 14, 2013 6:03 pm
Posts: 128
Maybe the `RU` number is an asset tag number applied by or on behalf of the Police and not a manufacturers number at all? . RU could be `Royal Ulster` if it was a police bike ( just thinking out loud ... ) but a possibility ?


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 Post subject: Re:
PostPosted: Wed Sep 26, 2018 8:00 pm 
Retro Guru

Joined: Sun Aug 22, 2010 7:07 pm
Posts: 1535
Location: Cotswolds
K4 indicates 1934.
Looks like "Made in England"
Bikes like this were made in literally millions in the 1930s. Many different manufacturers, often used same components.
Perhaps the chainwheel will show something? remove the tin lid cover and look.
Its not Raleigh.

Keith


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PostPosted: Wed Sep 26, 2018 9:12 pm 
Retro Guru
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Joined: Mon Mar 02, 2009 4:22 pm
Posts: 1631
To further what Keith said, it’s got a mid-30’s SA shifter on the top tube like that.

Is there a number on the rear dropouts at all?


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 Post subject: Re:
PostPosted: Wed Sep 26, 2018 9:26 pm 
Devout Dirtbag

Joined: Fri Jun 14, 2013 6:03 pm
Posts: 128
maybe the RU denoted Rudge, Raleigh bought them in the 40`s and kept the brand and frame features?


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 Post subject: Re:
PostPosted: Wed Sep 26, 2018 9:38 pm 
Newbie

Joined: Wed Sep 26, 2018 8:18 am
Posts: 6
Despite I find much more exciting Marshallluky’s answer, I agree with Keithglos because there is no signals from any brand... but there is a “made in England” on the top of the handlebar
Thanks to all!!


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PostPosted: Wed Sep 26, 2018 11:06 pm 
Dirt Disciple

Joined: Sat Jul 09, 2016 4:07 pm
Posts: 52
Location: Rutherglen
The head badge seems to have two turrets of a castle with an arch in the middle. Perhaps a town coat of arms.


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