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m10 & campy compatibility?(2 posts)

m10 & campy compatibility?Sexly
Jun 2, 2003 7:55 PM
Hi, I'm new to this whole road bike thing, and I got a bike with some really heavy and crappy Vuelta Eagle rims. I found a set of Mavic's I really like but it lists them as "M9 cassette compatible" I know enough to know that is Mavic's own 9spd cassette, but will my current campy 9spd work on that wheel too? Supposedly I guess the M9 fits on any Campy or Shimano 9spd wheel so would the reverse be true as well?

Jun 3, 2003 4:38 AM
The campy spline pattern is entirely different. The M9 cassette has the proper campy cog spacing, but with a shimano spline pattern. The Mavic wheel has a shimano spline pattern, but the cassette body is a little longer to accept the slightly longer campy-spaced cogset. A shimano-spaced cogset can also be mounted on an M9 cassette body with a thin spacer behind the cassette to take up the extra length.

IMO, you should stick with a a campy compatible hubset and cassette for the best performance and the ability to upgrade to 10 speed in the future.