Re: [CR]Rear hub spacing


Example: Framebuilding:Tony Beek

Date: Tue, 10 Jun 2003 10:20:03 -0700
From: Chuck Schmidt <chuckschmidt@earthlink.net>
To: classicrendezvous@bikelist.org
Subject: Re: [CR]Rear hub spacing
References: <BB0B3DCA.222E%mail@woodworkingboy.com>


Dennis Young wrote:
>
> The older rear track hubs were once primarily available in 110mm spacing,
> then at some point they changed to 120mm for the most part. Current kierin
> frames are available in both sizes, and track hubs are still produced to
> accomodate both. 120mm seems to be most common these days. Can anyone
> offer a opinion as to why some riders would prefer one size over another?

Just a comment about evolution here... (my opinion here, I could be wrong):

110mm rear spacing would be from the days of single gear (track or road bike) and the previous turn of the century.

120mm rear spacing would be from the days of multiple gears (road bike) and the 1930s or earlier. 120mm spacing changed to 126mm spacing for six speed freewheels in the mid-1970s and then to 130mm and then...

A 120mm single gear hub (track hub) would have been used interchangeably with a multiple gear road hub on a road bike before the 1980s. Fixed gear for early spring training before the racing season started. Over the years 120mm has become the more common track bike spacing.

Chuck Schmidt SoPas, SoCal

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