Ksyrium SL with Ultegra 10 - need spacer?

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I just picked up my new set of Ksyrium SL wheels (2008) and would like to
mount an Ultegra 10 speed 12-27 cassette on the hub. Shimano includes a 1
mm spacer, to be installed behind the cassette. The Mavic hub also includes
a spacer, which appears to be 2 or 3 mm (I have not measured yet). The
Mavic directions seem to indicate that the spacer may be for Shimano 8 or 9
speed installations, but the directions are poor to say the least.. So the
question is which is the correct spacer to use - the Shimano 1 mm, or the
larger Mavic one? Thanks for your help!

Sal

On May 15, 5:37 am, "espo711" <espo...@gmail.com> wrote:
> I just picked up my new set of Ksyrium SL wheels (2008) and would like to
> mount an Ultegra 10 speed 12-27 cassette on the hub.  Shimano includes a1
> mm spacer, to be installed behind the cassette.  The Mavic hub also includes
> a spacer, which appears to be 2 or 3 mm (I have not measured yet).  The
> Mavic directions seem to indicate that the spacer may be for Shimano 8 or 9
> speed installations, but the directions are poor to say the least..  So the
> question is which is the correct spacer to use - the Shimano 1 mm, or the
> larger Mavic one?  Thanks for your help!
>
> Sal

Need the Mavic spacer AND the shimano spacer for shimano 10s cogsets
onto this wheel.