Re: [CR] Seat post binder bolt on Chris Kvale bike

(Example: Production Builders:Cinelli:Laser)

In-Reply-To: <C3071F50.EFDF%fatticbicycles@qtm.net>
References:
From: "nicholas r harteau" <nrh@ikami.com>
Subject: Re: [CR] Seat post binder bolt on Chris Kvale bike
Date: Tue, 11 Sep 2007 12:02:14 -0400
To: Doug Fattic <fatticbicycles@qtm.net>
cc: "classicrendezvous@bikelist.org" <classicrendezvous@bikelist.org>
cc: "classicrendezvous@bikelist.org"

For what it's worth, I just bought a pack of M6x15x1.0 socket head cap screws in 316 stainless (stronger than the usual 18-8), as I needed one for my KOF Yamaguchi.

I have 24 left over and I'm happy to drop a few in an envelope for anyone who needs them.

On Sep 7, 2007, at 3:31 PM, Doug Fattic wrote:
> Hi Tom,
>
> By now you've probably gotten your answer but I'll respond anyway.
> I don't
> remember exactly what type of bolt was used on your Kvale. I'm
> sure it
> wasn't anything unusual or it would have stuck out in my mind. I
> looked at
> the pictures I took of it after I painted it and that part of the
> frame was
> hidden. What I think it needs, is a standard 6 X 1 X 15mm
> stainless steel
> socket head bolt. That means 6mm is the diameter, there is 1mm
> between each
> pitch and the bolt itself should be 15mm long from back of the head
> to the
> end of the threads. In other words the 15 mm represents how long
> just the
> threads are. That bolt head takes a 5mm hex tool.
>
> What surprises me is that this might be your first investment cast
> lugged
> frame? Stamped and welded or pressed lugs (whatever you call them)
> have
> ears that use those Campy bolts. Occasionally there are investment
> cast
> lugs that do as well. And sometimes when I used pressed lugs, I
> cut off
> those ears and brazed on a binder bolt. If it was a fast back
> style, where
> the seat stays went into that bolt (my Hurlow and Hetchins did it
> this way),
> I use a 6X1 bolt that is 25mm long. If I attached the seat stays
> to the
> side, it would be a shorter binder that uses a bolt 15mm long.
>
> I can get mine locally at my hardware store. I'm sure you can get one
> somewhere in Lansing as well.
>
> Doug Fattic
> Niles, Michigan, USA
>
> From: "Tom Sanders" <tsan7759142(AT)sbcglobal.net>
>
> In the process of building up a Chris Kvale I just got back from Doug
> Fattic's paint shop (Man Doug really does some gorgeous paint!) I
> note that
> it seem to have a most unusual set up for the seat post binder
> bolt. It is
> recessed for a bolt head of some sort on the drive side but threaded
> straight through on the other side. One can take the smaller type
> Campagnolo bolt and just use the half of it that has the bolt like
> end and
> thread it into the hole, but the threads only have two or three
> threads
> going into the non drive side ear.I question that this is enough to
> hold
> things properly. My apologies if I am not describing this in a clear
> enough fashion.
>
> I took the frame to a buddy who says it appears that a stainless Allen
> headed bolt was used instead of a conventional seat post binder bolt.
>
> Might anyone have an insight into what Chris Kvale intended to be
> used here?
>
> Tom Sanders
>
> Lansing, Mi USA
>
>
> _______________________________________________

--
nicholas harteau
nrh@ikami.com