Re: [CR] Headset with Locking/Clamping/Cinching Topnut

(Example: Framebuilders:Doug Fattic)

Date: Mon, 6 Apr 2009 23:12:35 +0200
From: "M-gineering" <info@m-gineering.nl>
Cc: Classic Rendezvous <classicrendezvous@bikelist.org>
References: <f5a556900904061355n16e03e3bnab744ab2fb95dfca@mail.gmail.com>
In-Reply-To:
Subject: Re: [CR] Headset with Locking/Clamping/Cinching Topnut


Peter Craig Martin wrote:
> Hi, all ---
>
> I vaguely recall having seen a threaded headset with a topnut the upper part
> of which could be clamped to the quill stem itself by tightening a small
> draw bolt, stabilizing the stem. I have managed to find several locking
> topnuts that clamp to the steerer alone -- e.g., the Onza Mongo II and the
> Wheels Manufacturing Growler Headlock -- but they aren't what I remember
> seeing. I'm stretching my recollection to the limits, but I want to say
> that what I saw was silver, nicely rounded and polished, possibly French or
> Italian, and on the pricey side. I also think it may have been mentioned as
> an aside by someone on this list. (Unfortunately, I haven't been able to
> find it in the CR archives or in my own email archives.)
>
> Does anyone know of a headset or locking/clamping/cinching topnut that
> matches my recollection? If so, I'd be grateful if you would email me a
> name or a link. (If you post, please also copy me offlist; I have CR
> delivery suspended for the time being.)
>
> Thanks very much! All the best.
>

Stronglight did a headset with a fairly tall upperrace with a clampbolt, which had the advantage that you didn't needed large wrenches to adjust. It didn't clamp the stem though -- mvg

Marten Gerritsen
Kiel Windeweer
Netherlands