What are these brakes?

Oct 28, 2018
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I was looking at Keno bikes when I saw this picture. I recognized those brakes as similar to the ones on a Sears Free Spirit I took apart. I really like the shape and design of the steel brakes. I remember them being surprisingly smooth.
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Oct 28, 2018
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Those are center pull brakes. I remember in the early 70's when your bike was better because you had center pull brakes instead of side pull brakes.
I have used both, but side pull brakes are more precise, while center pull brakes are stronger. Center pull brakes do feel spongy. I mostly use side pull brakes, but I am planning on using a center pull on the rear and a side pull on the front for 2 of my bikes.
 
Oct 28, 2018
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Eyup, center pull.



Very popular in Polish & USSR racing bikes

I even came across something wierder & by luck bought another one to have a matching pair in my Gravel Wagant:


It's a side pull, but works like a center pull
I know that they are center pull brakes. I wanted to know what specific model they are. Where I live, there are many Dia Compe and Weinmann center pull brakes. They are both the exact same design and materials, even if one is Japanese and the other is made in Belgium. Schwinn has their branding on these canter pull brakes sometimes. Where I live, these are the standard center pull brakes to be put on a bike. Most of the 10 and 12 speeds where I live are Asian or have all Asian parts.

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I do see the Occasional Mafac brake on some French bikes, but those are not good brakes in my opinion.

I have only seen those specific brakes on a bike once before.

Most of the cheap, American bikes have side pull brakes, but the cheaper center pull brakes look like this weird thing. It is rare to find a Murray with center pulls here.
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The brakes I am asking about came stock on this bike.
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I did find a brake like this for sale and I will put it on the yellow, ladies 10 speed. I will take a picture of it when I buy it.
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I will be turning the yellow bike into something like this.
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