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lets not discuss why I'm doing this,but focus on the practicalities of how.
Does a 7speed cassette fit on a std (deore MTB) freehub body?
7speed cassettes aren't a different width to a 9speed are they?
Posted : 18/10/2012 9:50 am
IIRC you need a spacer behind the cassette, and a 7/8 speed chain. Not sure about the mech pull.
Posted : 18/10/2012 9:55 am
You will need a new rear mech, to allow for the wider chain. Will last loads longer than 9spd. I used 8spd on my commuter and have only changed the chain/cassette once this year.
Posted : 18/10/2012 9:59 am
Shifters pull different amounts as well.
Posted : 18/10/2012 10:01 am
9s mech works fine.
8s lasts as well and more choice of cassettes and shifters.
Posted : 18/10/2012 10:05 am