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Width of cassette and throw of derailleur

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Width of cassette and throw of derailleur

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Old 05-09-05, 04:35 AM
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Width of cassette and throw of derailleur

I measured my 6 speed cassette and my 7 speed cassette and found out that the 7 speed is slightly wider, a couple of mm. No surprise. But since I dont have a 8 speed cassette then I cant measure it. So, my question is...

1. How wide is a 8 speed cassette?

2. How wide is a 9 speed cassette?

3. Since the 9 speed chain is quite alot narrower then the 6 speed chain, is it possible to get a old 6 speed front derailleur to work with a 9 speed chain if the shifters is friction and NOT index?

Cheers mate.
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Old 05-09-05, 06:38 AM
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I don't see why not.

I'm running a Campy C-Record FD (pre-index) with Record Ergo shifters on an 8-speed setup with no problems.
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Old 05-09-05, 06:53 AM
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Originally Posted by Berodesign
I measured my 6 speed cassette and my 7 speed cassette and found out that the 7 speed is slightly wider, a couple of mm. No surprise. But since I dont have a 8 speed cassette then I cant measure it. So, my question is...

1. How wide is a 8 speed cassette?

2. How wide is a 9 speed cassette?

3. Since the 9 speed chain is quite alot narrower then the 6 speed chain, is it possible to get a old 6 speed front derailleur to work with a 9 speed chain if the shifters is friction and NOT index?

Cheers mate.
An 8 speed shimano cassette(hub body) is about 4.5mm wider than a 7 speed. 8 and 9 aare nominally the same width. A '6 speed' FD with work in friction mode with about anything.
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