SB632
SB632 is a very early 1976 Track frame built with Reynolds 753 Metric Tubing. This, as far as I am aware, is the earliest known SB numbered Reynolds 753 Track frame and was once owned by Beryl Burton.
This frame features classic period SBDU 753 frame features including drilled ends, flat but not oversized seat stay caps and an RGF BB shell.
Blog Posts…

I have a few 2019 projects to complete and this is the second such project that happens to be a ...
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Back at the beginning of May, I had a weekend of frame repairs! SB4409 had new transfers and a bit ...
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This is post number two looking at new arrival SB632, and I'm measuring geometry. How will this frame measure up? What ...
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I've had another new arrival, not long after the 753 Dynaflite came into the workshop, I've found another rather special frame ...
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