Re: [CR]Shimano DuraAce aero group

(Example: Production Builders:Peugeot:PX-10LE)

In-Reply-To: <46EDAD24.1070801@verizon.net>
References: <46EDAD24.1070801@verizon.net>
Date: Sun, 16 Sep 2007 18:49:53 -0400
To: hsachs@alumni.rice.edu, Classic Rendezvous <classicrendezvous@bikelist.org>
From: "Sheldon Brown" <CaptBike@sheldonbrown.com>
Subject: Re: [CR]Shimano DuraAce aero group


Quoth Harvey Sachs:
>The lovely Univega I bought from Mark Poore years ago has the early
>D/A aero group components, including the "DynaDrive" pedals/cranks
>(AKA "big-hole"). Does anyone remember when they were offered?
>Since it is non-indexing and just 6-speed, I'm assuming well before
>1980, but "inquiring minds want to know." I've got all the stuff to
>build it up, and maybe it should be done for Cirque/VA, just for the
>ornery-ness of a very clean and very understated Japanese bike from
>that era.

The peak of the big aero craze was 1982. These are listed in the '82 Shimano catalogue on my Website:

http://sheldonbrown.com/shimano1982/

Dura-Ace SIS was introduced in 1984 in small quantities, but indexing didn't become mainstream until about '86. From '86 onward, it was basically impossible to sell bikes with friction shifting.

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