[CR]Re: hub bearing compression

(Example: Framebuilders:Pino Morroni)

In-Reply-To: <e.2b8451d4.2b5aea99@aol.com>
References:
Date: Sat, 18 Jan 2003 12:58:47 -0500
To: classic list <Classicrendezvous@bikelist.org>
From: "Roy H. Drinkwater" <roydrink@ptd.net>
Subject: [CR]Re: hub bearing compression


Bob Hovey quired:
>>>On Thursday, January 16, 2003, at 09:29 PM, Sheldon Brown wrote:
>> I've invented a doodad that allows you to actually adjust the cones
>> and locknuts with the the axle compressed by a skewer, see:
>> http://sheldonbrown.com/cone-adjustment.html
>
>I'm not sure I see how this works... My understanding is that hub compression
>results from the quick release pressure forcing the dropouts to counteract
>and overcome the push-pull action of the locknut and cone combo. If this is
>the case, shouldn't the force be applied to the outside faces of the locknuts
>(the knurled area in your photo) rather than the end of the axle? I can see
>that compressing the axle itself might squeeze the hub a tad, but I don't see
>how it would cause nearly as great an effect as the inward force of the
>dropouts on the locknuts.

I was also puzzled by this, I don't think clamping the axle is as effective as clamping the locknuts. What I do when I adjust hubs is to clamp them in my 25+ year-old cheap Cyclepro wheelstand and tweak them until perfect.

Roy H. Drinkwater
Lititz, PA