Re: [CR] Down tube / head tube ports?

Example: Racing:Roger de Vlaeminck

Date: Tue, 03 Oct 2006 10:33:29 -0500
From: John Thompson <>
Organization: The Crimson Permanent Assurance
Subject: Re: [CR] Down tube / head tube ports?
References: <>
In-Reply-To: <>

Bob Hanson wrote:
> The bike in the following photo reminded me to inquire about this. This
> one is located near the top of the down tube on a 1960s (?) Peugeot.
> What the heck were all those large capped holes on frames intended for?
> Were these indeed lubrication ports? If so, would one just dump in a
> quart of 90 weight oil and hope it welled up enough in the bottom
> bracket shell to lubricate the bearings and/or spindle? I hope that
> would occur before the oil had accumulated a lot of rust and dirt in
> suspension - before it just leaked out around the BB cups and spindle.
> This just does not make sense to me. Appreciate any explanation behind
> the logic of these 50s/60s fittings.

Looks like it was intended for a steer tube lock device.


-John Thompson (
Appleton WI USA