Re: [CR]Front and rear track nuts...what's the difference?

(Example: Production Builders:Peugeot)

In-Reply-To: <000801c6d13b$14cad2b0$6400a8c0@BSSatellite>
References: <000801c6d13b$14cad2b0$6400a8c0@BSSatellite>
Date: Wed, 6 Sep 2006 12:21:12 -0400
To: "Ben Sanford" <B.Sanford@cox.net>, <classicrendezvous@bikelist.org>
From: "Sheldon Brown" <CaptBike@sheldonbrown.com>
Subject: Re: [CR]Front and rear track nuts...what's the difference?


Thus spake Ben Sanford:
>For Campy, the fronts are 9mm thread diameter, and 10mm diameter on the
>rears. On many older British such as the Hardens, the fronts are
>5/16” and
>the rears are 3/8 mm. Why? Probably the same reason that Campy uses

>quarter inch bearing in the rear and smaller bearings in the front.

There's nothing "Campagnolo specific" about that. Virtually _all_ bicycles use quarter inchers in back and smaller ones in front.

Stresses are much higher on the rear axle, that's why rear axles (and bearings) are larger.

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