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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Raleigh SBDU Ilkeston Time Trial Special Dimension Measurements H Reference

An Update on The TI-Raleigh Ilkeston SBDU H Reference Number

It’s been a couple of years since I first wrote a little about the ‘H’ reference number. This is the reference you sometimes see under the bottom bracket of an SBDU frame. Well since then, I’ve dug into the SBDU data, written a couple of timelines and become a bit more clued up on that ‘H’ letter.