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Is the width of a 10-speed cassette the same as a 9? More specifically, will a 105 cassette fit on a Tiagra hub?
Cheers.
Posted : 29/06/2010 12:42 am
Strangely a 10 speed cassette is narrower than a 9 speed. Yes it will fit on a nine speed freewheel, just remember to fit the spacer that comes with the cassette.
Posted : 29/06/2010 7:08 am
Topic starter
Really? I'd have thought it'd be the other way around.
Posted : 29/06/2010 9:26 pm
No you need the spacer! If you put the cassette on without it the freehub siezes up. (Apparently, I wouldn't know myself of-course 😳 )
Posted : 29/06/2010 9:29 pm
Strangely a 10 speed cassette is narrower than a 9 speed.
Well it is and it isn't. The bit which fits on the splines is narrower and so needs a spacer. The actual cog bit is very slightly wider (the big cog overhangs the splines). Yes it will fit on a 9-speed hub.
Posted : 29/06/2010 9:47 pm
Yes, as above, I did the same with an ultegra cassette last week.
Posted : 29/06/2010 10:47 pm