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9-speed mech on 8-speed cassette?

ben1777ben1777 Posts: 128
edited May 2008 in MTB general
I had an unfortunate incident yesterday in which my cassette for no apparent reason decided to eat my rear mech :shock: which has left it extremely twisted and unusable along with a snapped hanger. So my question is can I use a mech which says it is 9-speed on an 8-speed cassette?

I am considering something like this: (Shimano LX M580) ... delID=6191

In the description it just says
Compatibility: 9 speed drivetrains

And also reviews seem pretty good on the 'Rapid Rise' any views?

Any help would be greatly appreciated



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