I'm trying to figure out what year (or at least what decade) this old Puch was built. It came equipped with a 6-speed Shimano Positron RD and Uniglide cassette, and the serial number on the frame is 7547056.

  • Uniglide suggests its an 80s rear wheel, but it may not be original.
    – Criggie
    Commented Mar 19, 2021 at 10:58
  • 1
    1977-1983.... disraeligears.co.uk/Site/…
    – Noise
    Commented Mar 20, 2021 at 0:20
  • @JoeK thanks a lot, I didn't know about the two-letter Shimano date codes. The derailleur on this bike says JH, which corresponds to August 1985. Thanks again! Commented Mar 20, 2021 at 6:56


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