Originally Posted by
Paul Gittins
Probably 50's or 60's in the absence of a photo. Highly likely to be a Raleigh Industries mass produced 'clone' of a range of 'sports' bikes that included Raleigh, Carlton, BSA and Sun brands. All virtually identical.
Yes, if the bike is from after 1960 (which is likely) than that is almost certainly true. But in the early 50's BSA made some very nice bikes with 531 frames and high end components. The Tour of Britain was one of these. There is a nice photo of one on Flickr; maybe this link will take you there:
http://www.flickr.com/photos/7539513...n/photostream/