right angle adapter for rear derailler?

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motorthings

Post subject: right angle adapter for rear derailler?

Posted: Mon Jul 23, 2012 8:24 pm

Joined: Mon Nov 17, 2008 9:56 pm
Posts: 233

i don't know what else to call it, but i have seen them on a few different bikes, and am wondering their purpose and effect. i have seen them on different brands of rd's, so assume it is an aftermarket thing.

anyone know what i am talking about?

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bura

Post subject: Re: right angle adapter for rear derailler?

Posted: Mon Jul 23, 2012 9:12 pm

Joined: Mon Mar 01, 2010 8:07 pm
Posts: 422

You probably mean a tool which is centered at the RD hanger before installing the RD. You install the rear wheel and by turning the tool around you can measure but also help to install a perfect parallel to the rear wheel and casette mounted hanger and afterwards a perfect alinged RD.
Or does some other kind of adapter exist ?

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motorthings

Post subject: Re: right angle adapter for rear derailler?

Posted: Mon Jul 23, 2012 9:30 pm

Joined: Mon Nov 17, 2008 9:56 pm
Posts: 233

nope, it is something that is installed onto the rear der and used while riding. it looks like it allows a tight 90 degree bend for the cable while possibly reducing the friction normally caused by such a tight bend (at least that is my guess).

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OrPe

Post subject: Re: right angle adapter for rear derailler?

Posted: Mon Jul 23, 2012 9:51 pm

Joined: Wed Oct 18, 2006 10:15 am
Posts: 184

This thing? the avid rollermajig...

not sure, but i think they do not make it any more.

Oren

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milkbaby

Post subject: Re: right angle adapter for rear derailler?

Posted: Tue Jul 24, 2012 12:16 am

Joined: Mon Dec 26, 2011 9:04 am
Posts: 152

Jtek shiftmate?

It lets you run Shimagnolo shifting/drivetrain:
http://jtekengineering.com/shiftmate.php

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motorthings

Post subject: Re: right angle adapter for rear derailler?

Posted: Tue Jul 24, 2012 12:49 am

Joined: Mon Nov 17, 2008 9:56 pm
Posts: 233

cool, that makes sense...thanks for the answers!

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monkeyburger

Post subject: Re: right angle adapter for rear derailler?

Posted: Tue Jul 24, 2012 1:24 pm

Joined: Mon Mar 26, 2012 2:45 pm
Posts: 105
Location: Bali, Indonesia

Another shot of a Jtek shiftmate on my Cervelo. Campy Chorus 10 speed shifters DA 7800 RD and Ultegra 12-27 9 speed cassette. Very smooth.

Attachment:

RS RD Shiftmate.JPG [ 114.07 KiB | Viewed 169 times ]

monkeyburger

_________________
http://ocdlikeme.blogspot.com/

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