I've recently purchased new rims with a deore xt rear hub. And I'm using a spacer to keep my 7 speed cassette. I am considering upgrading to 9 speed some time in the new year. The question is do I need to replace my front derailleur and cranks. Or would they work with the narrower 9 speed chain.
Mountain Bikes · Public discussion
Upgrade from 7 to 9
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- Mountain Bikes
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- 21 November 2004
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- 23 November 2004
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- LordFishman
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no, they won't work. 9 speed chains and rings are much narrower, you'll need tp upgrade the whole drivetrail to make sure you get compatible parts and proper shifting.
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climbo said:
no, they won't work. 9 speed chains and rings are much narrower, you'll need tp upgrade the whole drivetrail to make sure you get compatible parts and proper shifting.
I figured as much, oh well. It would be nice to upgrade but unless i find a great deal on parts on Ebay I will not bother, the seven speed works at least -
LordFishman said:
And I'm using a spacer to keep my 7 speed cassette. I am considering upgrading to 9 speed some time in the new year. The question is do I need to replace my front derailleur and cranks.
The odds are very good that you'd be able to keep your old cranks at least. 9-spd chain IS narrower, but it shouldn't be enough to worry the crank. Shifting MIGHT be a problem because your FD is probably a bit wider than actually needed, you might get sloppy shifting or chain rub.
Check out : http://www.sheldonbrown.com/k7.html for details. -
That site was rather useful, thanks.
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