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Mavic Kysirium ES wheel 11 speed compatibility question.

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Mavic Kysirium ES wheel 11 speed compatibility question.

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Old 02-12-19, 12:27 AM
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chikatetsu
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Mavic Kysirium ES wheel 11 speed compatibility question.

Hi everyone,

I have a Cannondale System Six from 2007 with Mavic Kysirium ES wheels. Pretty much everything is still stock but Iíll need to replace the drivetrain soon. The rear wheel has a 10 speed cassette but all new Shimano drivetrain sets are 11 speed. Iím pretty sure that I can just slide on an 11 cassette, change the levers and derailleur etc. and continue to use the bike without having to buy new wheels too but I just wanted to double check if this would be possible. Thanks!
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Old 02-12-19, 12:31 AM
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Every Mavic wheel of that era I've run across magically accepts 11 speed -- they just made their freehub cassette bodies longer for whatever reason.
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Old 02-12-19, 02:19 AM
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chikatetsu
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Originally Posted by ljsense View Post
Every Mavic wheel of that era I've run across magically accepts 11 speed -- they just made their freehub cassette bodies longer for whatever reason.
People are listing the wheels on EBay as being 10/11 speed so I thought that this was the case. Thanks!
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Old 02-13-19, 08:03 AM
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Originally Posted by chikatetsu View Post
... but I just wanted to double check if this would be possible. ...
Your hubs should have a spacer ( to be removed) behind the 10 speed cassette to compensate for the difference in 10 speed length of 34.95mm and the 36.75mm length needed for an 11 cassette.
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Old 02-15-19, 07:58 AM
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Originally Posted by ljsense View Post
Every Mavic wheel of that era I've run across magically accepts 11 speed -- they just made their freehub cassette bodies longer for whatever reason.
I can confirm this will work. I have Ksyrium Elites from 2004 that accept 11s Shimano/SRAM cassettes (as well as newer Ksyrium SLs from roughly the same era as the ESs the OP has).

I believe the reason is that Mavic used to make their own cassettes BITD and those cassettes required slightly more space on the freehub body than the equivalent Shimano cassette and so Mavic made their M10 freehub body slightly longer to accommdate their own cassette. Hence the requirement for an additional spacer on Mavic M10 freehub bodies when using 10s Shimano/SRAM cassettes.
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Old 02-15-19, 08:38 AM
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Originally Posted by Matt Gaunt View Post
I can confirm this will work. I have Ksyrium Elites from 2004 that accept 11s Shimano/SRAM cassettes (as well as newer Ksyrium SLs from roughly the same era as the ESs the OP has).

I believe the reason is that Mavic used to make their own cassettes BITD and those cassettes required slightly more space on the freehub body than the equivalent Shimano cassette and so Mavic made their M10 freehub body slightly longer to accommdate their own cassette. Hence the requirement for an additional spacer on Mavic M10 freehub bodies when using 10s Shimano/SRAM cassettes.
The Mavic cassettes were available with spacers that could accommodate the wider Campagnolo cog spacing, hence the longer freehub body. When set up for Shimano spacing, a spacer was installed behind the cassette
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