I just purchased a used bike recently and I am curious to the make of my handlebar stem. Would anyone be able to identify the brand logo? enter image description here

  • @dotjoe glad to hear it :)
    – Roman
    Commented Oct 22, 2012 at 20:59

2 Answers 2


I believe that's the logo for Dyno which was acquired by GT in the '80s.

enter image description here

  • 1
    This image seems to confirm that it's Dyno: profile.ak.fbcdn.net/hprofile-ak-snc6/…
    – amcnabb
    Commented Oct 10, 2012 at 18:09
  • Awesome. I hunted around a bit for an image to confirm that but I guess their logo evolved a bit over time because I couldn't find anything that quite matched.
    – jimchristie
    Commented Oct 10, 2012 at 23:18
  • +1, not for knowing it was Dyno (who sponsored the nicest person/rider you could ever met, Dave Volker) but that they were taken over by GT too!!
    – BillyNair
    Commented Oct 11, 2012 at 20:22

It's either Dyno, or Diamond Back.

  • 1
    Yes, confirming Dyno - definitely not Diamond Back which is always shortened to DB not a single D Commented Apr 2, 2023 at 21:31

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