SB8200 1986 SBDU Ilkeston 531c Randonneur

SB8200 1986 Raleigh SBDU Ilkeston Reynolds 531c Randonneur – New Arrival

I haven’t written many ‘New Arrival’ posts this year after slowing down my collecting habit and being a bit more picky, so it really is nice to get a new frame on the workbench. An astute eBay bid, a couple of messages followed by a few hours drive and SB8200 was in my hands. This new frame is from 1986, making it a late Ilkeston built frame that appears to follow the spec of the SBDU Randonneur.

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Specialist Bicycle Development Unit (SBDU) Frame Design Seat Stay and Seat Lug Attachment

Specialist Bicycle Development Unit (SBDU Ilkeston) Seat Stay Design and Seat Lug Attachment

You probably think seat stays are quite boring, why on earth would I devote a blog post to the two narrow tapering tubes on the back of a frame? Well as you hopefully all know by now, I do like my details, especially the small details! The various designs and subtle differences in seat stays can tell me a lot about an SBDU frame, even the frame age and tubing type.