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Shimano wheels - 9 speed cassette on 10 speed freehub?
Posted: Fri Jun 13, 2008 3:46 pm
by Dr Dave
I was hoping to get some new wheels to upgrade my summer bike and put the old ones on my winter hack. Then it occured to me that my existing summer wheels have a 10spd cassette and the winter bike is 9 speed. No worries I thought, I'll put a 9 speed cassette on but then realised this might not be possible.
Does anyone know whether a 9spd cassette will fit on the same freehub that the 10spd cassette is currently on or would I need to change the freehub as well?
Posted: Fri Jun 13, 2008 4:06 pm
by leadshoes
Posted: Fri Jun 13, 2008 4:41 pm
by Dr Dave
Thanks. I'll keep an eye on that thread. IIRC one of the features of the new Dura-Ace wheels is that they accept both 9 & 10 speeds which suggests to me that the older shimano wheels don't.....
Posted: Sat Jun 14, 2008 10:21 am
by Rob_h
There are some freehub bodies which accept 9/10 speed and some newer ones which only accept 10 speed. However, very few wheels come with the 10 speed only (including one pair of shimano wheels from last year I think) but otherwise you should have no problems with it!
Posted: Sat Jun 14, 2008 11:33 am
by Tullio
9 & 10 are interchangeable.
They achieve the extra gear by changing the sprocket pitch (hence the need for a narrower chain) and gear pull so if you change the cassette you'll have to change the levers also. If you're putting on a bike with 9 spd shifters already you'll have no problem.