SB8790 1987 SBDU Nottingham 531c Lo Pro Road Frameset

SB8790 1987 Raleigh SBDU Nottingham Reynolds 531c – Model Classification

When I add a traditional horizontal top tube SBDU bike to my collection it can sometimes take a few careful measurements and a little bit of knowledge of the bike’s history to figure out something as subtle as whether it was built for road racing or time trials. The obvious style of SB8790 leaves me with no doubt about it’s intended purpose – I’m still going to measure and document it because that’s my process, but the 24″ front wheel and the top tube that slopes dramatically to meet the fork tells me all I need to know!

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