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 Post subject: 8/9/10 speed cassettes
PostPosted: Wed Jun 19, 2013 3:29 pm 
Dirt Disciple

Joined: Thu Jan 31, 2013 10:54 pm
Posts: 37
Need a bit of help, returning to cycling after a few years absence, looking to build up a frame per my other posts, but have question on the group sets, There seems to be a whole range of Cassettes available from 7 - 10 speed and more, I believe I understand the difference freewheel to Freehub system, Question Will all the Cassettes fit with any freehub or Do I need to Match makes (think thats unlikely) and If I'm going for shifters on the downtube ( probably Campag Chorus) are these all ok for "old school" linear movement, IE Not indexing . Is there a site or Page someone can direct me to so I can gen up on it all please.


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PostPosted: Wed Jun 19, 2013 3:46 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 8222
Location: New Forest, UK
7 speed takes a narrower freehub body than 8 or up.

For Campagnolo, 8 is unique, 9,10 and 11 are interchangeable cassette-hub.
For Shimano, 8,9,10 are interchangeable.

The CTC has a lot of good pages.


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PostPosted: Wed Jun 19, 2013 4:40 pm 
rBoTM Winner
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Joined: Wed Dec 12, 2012 10:18 pm
Posts: 2373
Location: California
Also for best results the cassette, rear mech and shifters should all be compatible which usually means from the same manufacturer, and preferably for the same number of gears. (i.e. all 8 speed Campagnolo) There have been long threads on here about the interesting ways one can stretch this but for simplicity sake best to start with a matching set.


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PostPosted: Wed Jun 19, 2013 7:56 pm 
Dirt Disciple

Joined: Thu Jan 31, 2013 10:54 pm
Posts: 37
sorry CTC ?? Whats that ?


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PostPosted: Wed Jun 19, 2013 7:59 pm 
Old School Grand Master
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Joined: Fri Oct 14, 2011 8:41 pm
Posts: 8247
Location: Cumbria
http://www.ctc.org.uk/

I presume..........

Shaun


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PostPosted: Thu Jun 20, 2013 8:35 am 
Retro Guru

Joined: Wed Dec 10, 2008 9:19 am
Posts: 2098
Location: Sheffield, top city
hamster wrote:
For Shimano, 8,9,10 are interchangeable.

mostly - some shimano wheels - the upper end ones ultegra/duraace are for 10 speed only with alloy freehubs and deeper splines.

if youre not indexing, anything should work, but the close tolerances of 10 speed will mean you need to be careful when changing so that a ahm-fisted approach doesnt overchange. With 5 speed and big gaps between gears, the lever slightly out of place was more tolerant.


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PostPosted: Thu Jun 20, 2013 9:57 am 
Old School Grand Master
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Joined: Wed Jul 25, 2007 2:04 pm
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Location: Completely in the dark, thanks to me good mate Terry....
hamster wrote:
7 speed takes a narrower freehub body than 8 or up.

For Campagnolo, 8 is unique, 9,10 and 11 are interchangeable cassette-hub.
For Shimano, 8,9,10 are interchangeable.

The CTC has a lot of good pages.


A 7sp Shimano cassette will also fit modern Shimano type freehubs provided it's an HG not UG one (my tourer has a 7sp Sunrace cassette on an 8sp Sachs freehub), although the reverse isn't the case. You'll need some sort of spacing washer to stop lateral movement though.

David


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PostPosted: Sat Jun 22, 2013 8:17 am 
Newbie

Joined: Sat Jun 15, 2013 4:18 pm
Posts: 9
The various manufacturers spacing is not the same. Some cassettes can be modified (if they come apart) for interchangeability. As a rough guide Campagnolo is unique, the rest are much the same. However earlier versions are different again, so watch the "freehub" carefully.


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