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  1. #1
    Senior Member steve-in-kville's Avatar
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    Quill Headset Adapters: No spacers needed?!

    I want to convert an older bike from quill to one of these:


    http://www.nashbar.com/bikes/Product...45_-1___202442

    So since there is no headset to compress, I would just need to clamp the stem onto the adapter? No need for spacers, right?
    Best regards - steve
    RUSA #10428

  2. #2
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    Right!

    Little detail, put some spacers under just in case you need the stem upper a little bit just because of looks

  3. #3
    Senior Member steve-in-kville's Avatar
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    Thanks!
    Best regards - steve
    RUSA #10428

  4. #4
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    Yeah, there is no mechanical need for spacers any more than you need spacers under a quill stem. Once the stem is tight on the adapter and the adapter tightened in the steerer, nothing is going to move.

    However, just for appearance you may want to stack spacers below the stem and above the headset locknut. I've done that on a bike with a threaded steerer/headset, the adapter you show and a threadless stem. it makes it look a bit more like a true threadless setup. Doesn't fool anyone who notices the headset locknut but it does look a bit better.

  5. #5
    bike whisperer Kimmo's Avatar
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    I'd say that if there's somewhere to screw in a preload bolt, then the spacers could have a mechanical job increasing the effective diameter of the steerer between the upper bearing and stem.

  6. #6
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    Quote Originally Posted by Kimmo View Post
    I'd say that if there's somewhere to screw in a preload bolt, then the spacers could have a mechanical job increasing the effective diameter of the steerer between the upper bearing and stem.
    Won't work in this particular case unless you change the adapter's top cap. The adapter has a full length bolt that pulls an expander wedge just like a standard quill stem. The top cap on the adapter is removable but has an outside diameter exactly the same as the body so a threadless stem will slip right over it and the cap doesn't put any load on the stem. A larger diameter top cap that overlapped the stem would allow a bit of preload.

  7. #7
    bike whisperer Kimmo's Avatar
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    I'd bother; if it's going to look stiffer, why not be stiffer too?

  8. #8
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    Quote Originally Posted by Kimmo View Post
    I'd bother; if it's going to look stiffer, why not be stiffer too?
    That's what she said.

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