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  • does anybody know anything about this tubing? ever owned/ridden a frame made of it?

    from an 80's reynolds brochure:

    Reynolds 531 SL Speedstream
    A completely new oval aerodynamic set
    with improved weight characteristics (40% lighter
    than the previous set) with increased efficiency
    over teardrop profiles. Designed for lugless
    construction for the competitor who demands the
    very latest in frame tube design and technology.
    Designed for track and time trials.
    Set weight: 2100 grms (4.6lbs).

    i'm mostly interested in its strength and stiffness, and how it would perform on london's roads being ridden pretty vigorously.

    thanks for any help.

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