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 Post subject: JOCKEY WHEELS
PostPosted: Mon Feb 12, 2007 5:19 pm 
Gold Trader / PoTM Winner / RB Rider
Gold Trader / PoTM Winner / RB Rider
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Joined: Wed Oct 05, 2005 7:45 pm
Posts: 10946
Location: kent
Which are best for a 8 speed chain ?

10 or 11 T.


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 Post subject:
PostPosted: Mon Feb 12, 2007 8:15 pm 
Retro Guru

Joined: Fri Apr 28, 2006 8:42 pm
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Location: Brighton
I'm not sure the number of speeds makes any difference in terms of jockey wheel teeth - the chain pitch is the same, it's the width that changes.


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 Post subject:
PostPosted: Fri Jun 29, 2007 9:33 pm 
retrobike rider / Gold Trader
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Location: In the Woods. . .
10T
11t are for 9sp only mechs. (Unless its a 9 sp mech of course)


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 Post subject:
PostPosted: Wed Jul 04, 2007 3:06 pm 
Old School Grand Master

Joined: Wed Jun 29, 2005 11:18 am
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Location: near cwmcarn
I've run the larger 11T on the lower position on XTR 8spd mechs with no probs.


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 Post subject:
PostPosted: Thu Apr 24, 2008 12:58 am 
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Location: Kent UK
You can use either size but you usually have to space out a 9spd one as they're narrower than the 8spd version. You would be better off using the larger size as the more teeth the longer they last (the force is spread over a greater area thus reducing the force on each individual tooth).


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 Post subject:
PostPosted: Sat Apr 09, 2011 1:21 pm 
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Location: Hampshire
...except if you put a larger 11-tooth pulley from a 9-speed mech into the upper position on an 8-speed mech designed for an 10-tooth pulley then it will make setting the mech up correctly harder because the vertical position of the chain would not be quite right with respect to the cassette. You can get away with using a 9 speed mech with an 8-speed chain, but its not a good idea to mix jockey wheels of dfiferent sizes across mechs.


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