Looking at quill stems I noticed this rather curious one and I couldn't imagine how it secured the handlebars without an apparent bolt. Any ideas?

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1 Answer 1


At 10 o'clock there is a wedge that holds the handlebar. Taking off the plastic cap at the end of the stem reveals the bolts for tightening the stem and handlebar.

  • 1
    I see, opened up.
    – whitezo
    Commented Jun 8, 2015 at 13:19
  • it is a nice design, I quite like the columbus stems but this has a certain class to it.
    – DavidG
    Commented Jun 8, 2015 at 16:05

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