2012 Sram Red Rear Derailleur Issue

Discuss light weight issues concerning road bikes & parts.
billspreston
Posts: 367
Joined: Tue Jun 30, 2009 7:40 pm
Location: CA

by billspreston

Now there is some good info. I was indeed using a brand new KMC X10SL chain. I would use the Sram chain, but I'm running Praxis chainrings and they recommend against using a Sram chain. So my casette wants a Sram chain and my chainrings want a KMC chain. Oi!

Given that the 2011 RD runs fine with the KMC chain, what would cause this on the new RD? Is it the new pulleys?

eric
Posts: 2196
Joined: Tue Nov 11, 2003 9:47 pm
Location: Santa Cruz, California, USA
Contact:

by eric

I recently installed 2012 Red on my bike. Using a slightly used KMC X10SL chain, the rear indexes correctly. I don't think its the chain.

roca rule
Posts: 678
Joined: Sun Sep 28, 2008 2:23 am
Location: so. cal.

by roca rule

billspreston wrote:Now there is some good info. I was indeed using a brand new KMC X10SL chain. I would use the Sram chain, but I'm running Praxis chainrings and they recommend against using a Sram chain. So my casette wants a Sram chain and my chainrings want a KMC chain. Oi!

Given that the 2011 RD runs fine with the KMC chain, what would cause this on the new RD? Is it the new pulleys?

i wonder what is the reason for parxis recomending against sram chains. i has a similar problem with my 2010 red rd with a yaban chain, but swapped to a dura ace 7900 and things became butter smooth.

SDP
Posts: 729
Joined: Tue May 04, 2004 1:23 pm
Location: uk
Contact:

by SDP

my red set up was awful with a YBN chain ...its 2011 but with KMC its spot on

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