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PostPosted: Thu May 30, 2013 6:14 pm 
Newbie

Joined: Thu Apr 25, 2013 8:17 pm
Posts: 4
Can anyone give me some advice on adjusting a Chorus 1991 rear mech? I have just installed a 26T campagnolo cassette but the rear mech is getting caught up in the sprockets. I don't have the instruction sheet and wondered if anybody can let me know how to adjust the travel to ensure that when engaging the 26t, the rear mech will clear the sprockets.


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PostPosted: Thu May 30, 2013 11:15 pm 
Retro Guru
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Joined: Mon Mar 26, 2012 5:21 pm
Posts: 589
B screw adjustment.

http://www.parktool.com/blog/repair-hel ... derailleur


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PostPosted: Fri May 31, 2013 5:49 am 
rBoTM Winner
rBoTM Winner
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Joined: Tue Apr 25, 2006 12:06 pm
Posts: 1443
Location: Vienna, Austria
Is this the adjustable A/B rear mech? If so then you can change your mech's fall rate to accommodate wider ratios


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PostPosted: Fri May 31, 2013 6:32 pm 
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Joined: Thu Apr 25, 2013 8:17 pm
Posts: 4
Thank you all so much for your help, this site has so much information, it's amazing ..... :D


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