SB518 SBDU Ilkeston 1976 TI-Raleigh Team Pro Reynolds 531 Double Butted Frame and Fork

My TI-Raleigh SBDU 2019 Projects: SB518 1976 Reynolds 531 Road Frame

SB518 is the third frame I have lined up this year to be painted in the TI-Raleigh colours (it’s nice to start the year with a plan). This is a solid frame and has no issues or rust, it needs no frame work and is perfect for a renovation. By the time 2020 comes around I should have this paint scheme well and truly sorted!

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Specialist Bicycle Development Unit (SBDU) Frame Ends

The Specialist Bicycle Development Unit (SBDU) Details of Fork Ends and Dropouts

Having a large collection of SBDU frames means that I’ve accumulated most of the various features that they built with. Fork ends are one such area of the frame design where I have an almost complete set, ranging from the earliest 531 frames produced at Ilkeston using Campagnolo 1010/A, through to frames produced at Raleigh’s Special Products Division using their own ‘RALEIGH’ stamped ends. 

My TI-Raleigh Specialist Bicycle Development Unit SBDU Ilkeston Frame Details

SB Frame Number and Frame Detail Timeline – SBDU Ilkeston TI-Raleigh Specialist Bicycle Development Unit

Frame details…, it is all about those little frame details… Frame details are hard to change. They are individual elements, fitted to tubes and formed into a frame when the torch melts the filler. Paint and decals are not the same, they can change over time, fooling you and misleading you with a different story… the frame detail should always tell the real story.

The SBDU at Ilkeston used a range of different frame and fork details over the life of the unit. The amount of different details they used means that this post may turn into an epic. I did consider splitting it into 2 smaller posts, pre and post 1980, but as this is ultimately a timeline post, I wanted it to be unbroken, and to start and complete in one go. Hopefully, it will be helpful for anyone doing research into their own SBDU frame. I’ll also try my best to fit dates and years in as I go. If you are a fan of the SBDU or simply need to know these details, then please stick with me. I learnt so much while researching and writing this post, hopefully I can pass this information on to whoever wants to read further!