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Raleigh Side Pull Calipers

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Raleigh Side Pull Calipers

Old 06-10-18, 11:51 AM
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Raleigh Side Pull Calipers


Hi folks,

Can anyone identify and provide some info on the pictured Raleigh labeled brake calipers. They are stamped, Raleigh, on the arms. On the backside the have what appears to be a date code; 84 K, and the number 640, size, maybe? They are beefier than the alloy Weinmann's that normally come on Raleighs. Any ideas on the manufacturer?

Thanks and regards,

Van
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Old 06-10-18, 12:01 PM
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They look like DiaCompe DC730 but not as long a reach. Raleigh used Dia Compe center pulls, probably side pulls as well.
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Old 06-10-18, 12:29 PM
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Hello Van,

There appears to be writing on the washer behind the locknut in your photo but there is not eno' res to make it out.

Are you able to read it?

Doubt caliper DC; looks more like something we might see from Chang Star or Polygon.

The 640 number most likely refers to reach; perhaps a maximum of 64mm.

Is the date code you mention in the form of a clock face?

Weinmann employs a clock face type marking on the backside of the caliper arms where the two digit number in the centre is the year of manufacture.



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Last edited by juvela; 06-10-18 at 12:35 PM.
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Old 06-10-18, 09:15 PM
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@juvela,

The writing on that washer says "Raleigh". Could be Chang Star. I had a set of those on a Ross that I flipped and the only marking was the washer with Ross on it. They don't have the clock face date code. I also have a very old Weinmann set that also doesn't have it. You are correct on the reach. These are going on a 70s Raleigh Sprite 700c conversion and have enough reach.

Thanks for the feedback,

Van
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Old 06-10-18, 09:41 PM
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Thank you for the response & information Van.

In my experience a large portion of Chang Star production is private labelled.

The original brakeset on the Raleigh Sprite 27 of the early 1970's was the Altenburger Synchron.

You will of course require an additional four mm of reach for the 700 conversion.

One name not as yet mentioned is that of Cherry. This is an economy badge from DC.

Yes, not all Weinmann products exhibit the clock face marking. Do not know the launch date for its use.

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