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From: msw@drux3.UUCP (Mike Walpole)
Newsgroups: net.bicycle
Subject: Re: Shimano indexed shifting system
Message-ID: <1353@drux3.UUCP>
Date: Mon, 26-Aug-85 13:03:29 EDT
Article-I.D.: drux3.1353
Posted: Mon Aug 26 13:03:29 1985
Date-Received: Tue, 27-Aug-85 06:31:46 EDT
References: <176@kepler.UUCP>
Organization: AT&T Information Systems Laboratories, Denver
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> Anybody have any feedback/experience with the new Shimano indexed 
> shifting system?

I stopped by the Shimano booth at the Coors Classic Expo at North Boulder
Park.  They had a bike set up on a turbo trainer with the new Dura Ace
for people to try out.  Since I rode to the race and had my cleats with
me I decided to try it out.  Actually I was able to stand up and sprint
as hard as I could while a friend shifted the gears and it always shifted.
I was amazed.  This derailier was shifting better than my Super Record
while I was doing things that would cause other derailiers to explode.

I talked to the rep and he said that it works best with normal 6 speed
Shimano 600 or Dura Ace freewheels and Sedisport chain.  With a Suntour
or Regina normal 6 speed it works about 80% as well.  A friend of mine
got a wheel in a race with a narrow 7 speed freewheel and it shifted
about the same as a Campy Super Record.

Personally I think that this is the way to go.  The only problem is that
you will never have an excuse for missing a shift.

Mike Walpole