Raleigh Frame Numbers 1973 Onward Blog Header

Raleigh Frame Numbers 1973 Onward. Worksop Carlton and Nottingham Lightweight Unit Frames, Specialist Bicycle Development Unit (SBDU) and Raleigh Special Products Division

This isn’t intended to be an Internet resource of Raleigh frame numbers! If you are reading this for anything other than SB number sequences from the SBDU then please make sure you corroborate my information with other resources.

This blog post covers a basic background of things I’ve learnt about Raleigh frame numbering systems during my own research over the last few years, from the introduction of ‘W’ numbers at TI-Raleigh’s Worksop Carlton factory in late 1973, extending through to the late 1990s and Raleigh’s Special Products Division. The only numbers I’m confident about are the Specialist Bicycle Development Unit (SBDU) SB frame numbers at Ilkeston. Some of this blog post, especially the late 80s / early 90s is what I will call ‘work in progress – thinking out loud – still formulating things in my head‘ type of work, there just aren’t enough bikes available at the moment to provide more accurate detail.

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SB664 1976 TI-Raleigh SBDU Ilkeston Reynolds 753 Carlton Capella Head Lugs Blog Header

The Mysterious Carlton Capella Lugged Early Ilkeston SBDU Imperial Tube Reynolds 753 Frames

In the beginning there was Metric Reynolds 753 tubing, and then later in 1982, a new Imperial Reynolds 753 tube was introduced. The new tube, called 753R, had different diameters, different gauges and was slightly heavier than the original Metric tube. And that’s how it was always known… Metric 753 before 1982 and Imperial 753 available after 1982. That seems quite straightforward doesn’t it?