Mavic Freehub Body
01-22-09, 09:42 PM
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Mavic Freehub Body
What is the difference between a the M40591 and the M40691 freehub bodies?
I see the M40591 being sold for road size wheels on Ebay. What is the application for the M40691 part?
I see the M40591 being sold for road size wheels on Ebay. What is the application for the M40691 part?
01-23-09, 01:18 AM
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it is a typo
m40591 https://aebike.com/page.cfm?action=de...=30&SKU=FW1014
m40592 https://aebike.com/page.cfm?action=de...=30&SKU=FW1015
m40591 https://aebike.com/page.cfm?action=de...=30&SKU=FW1014
m40592 https://aebike.com/page.cfm?action=de...=30&SKU=FW1015
01-23-09, 01:59 AM
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Dang, I got it wrong. Sorry for the confusion.
I'm now looking at the sticker on the wrapper and it says M40692.
What is the application that one is made for?
I'm now looking at the sticker on the wrapper and it says M40692.
What is the application that one is made for?
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Last edited by BlankCrows; 01-23-09 at 11:51 PM.
01-23-09, 02:40 AM
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Here's the poop...
FTS freehubs (for old hubs like a Helium):
M40082 freehub
M40066 pawls - for FTS freehubs - it's VERY important to get the correct pawls. No others will work.
FTS-L freehubs (for most modern Mavic road freehubs):
M40591 freehub for Campy (EX10)
M49592 freehub for Shimano (M10)
M40578 pawls for FTS-L freehubs
FTS-X freehubs (for most modern high end Mavic MTB freehubs, like Crossmax):
M40580 freehub for Shimano nine speed
324 303 01 pawls for FTS-X freehubs (yup, they changed the p/n convention. This is the new style)
Some MTB freehubs will be the FTS-L type. If you take your MTB hub apart and the pawls have a little red plastic collar then that's an FTS-X type.
The difference between the FTS and the FTS-L freehubs is that the large cartridge bearing on the large open end of the freehub shell was replaced by a bushing in the newer FTS-L type. For this reason, a lot of people like the older FTS type. And, the pawls changed. The easy way to tell the difference between the pawls is that the newer M40578 pawls will hold the springs. On the M40066, the springs have to be carefully held in place when you put the freehub body back on the hub. It's a bit of a tricky manuever. If FTS-L types are kept clean (i.e. you service them once or twice a year) they will last a VERY long time. IMHO, the newer wheels are better. The most bulletproof road wheel that I know of is the Kysrium SL 06. For a combination of price, performance, toughness, AND maintainability, you can't buy a better wheel, again, IMHO.
I don't know where the OP got the "-691" and "-692" numbers, but they are not correct. I verified all of the numbers I just posted on the Mavic tech site, so I am sure they are correct and up to date.
Anyone with a specific question about getting correct p/n's for these hubs should pm me.
Good luck!
FTS freehubs (for old hubs like a Helium):
M40082 freehub
M40066 pawls - for FTS freehubs - it's VERY important to get the correct pawls. No others will work.
FTS-L freehubs (for most modern Mavic road freehubs):
M40591 freehub for Campy (EX10)
M49592 freehub for Shimano (M10)
M40578 pawls for FTS-L freehubs
FTS-X freehubs (for most modern high end Mavic MTB freehubs, like Crossmax):
M40580 freehub for Shimano nine speed
324 303 01 pawls for FTS-X freehubs (yup, they changed the p/n convention. This is the new style)
Some MTB freehubs will be the FTS-L type. If you take your MTB hub apart and the pawls have a little red plastic collar then that's an FTS-X type.
The difference between the FTS and the FTS-L freehubs is that the large cartridge bearing on the large open end of the freehub shell was replaced by a bushing in the newer FTS-L type. For this reason, a lot of people like the older FTS type. And, the pawls changed. The easy way to tell the difference between the pawls is that the newer M40578 pawls will hold the springs. On the M40066, the springs have to be carefully held in place when you put the freehub body back on the hub. It's a bit of a tricky manuever. If FTS-L types are kept clean (i.e. you service them once or twice a year) they will last a VERY long time. IMHO, the newer wheels are better. The most bulletproof road wheel that I know of is the Kysrium SL 06. For a combination of price, performance, toughness, AND maintainability, you can't buy a better wheel, again, IMHO.
I don't know where the OP got the "-691" and "-692" numbers, but they are not correct. I verified all of the numbers I just posted on the Mavic tech site, so I am sure they are correct and up to date.
Anyone with a specific question about getting correct p/n's for these hubs should pm me.
Good luck!
Last edited by cascade168; 01-23-09 at 02:46 AM.
01-23-09, 10:18 AM
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Thanks for the info and the link to the tech website. Photo here shows the label I'm looking at. It is for a Shimano cassette. I searched for the M40692 number in all of those catalogs but still could not find it.
05-16-09, 12:11 PM
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I've got a set of crossmax SL wheels which came stock on my 2006 Cannondale Rush lefty.
I was hearing a strange noise so I disassembled the hub and found that one of the pivots on one of the pawls had broken off and jammed the pawl down, so only one was engaging.
The wheels look just like the ones listed in the 2004 techincal manual I found online at mavic.
That indicates a part # m40578 for the pawls and m40579 for the seal. The pawl is a metal peice with a nub on the underside to locate the spring.
The newer documents, 2007 tech manual, indicates that the pawls on newer wheels are 2-piece plastic/metal. There are new part#'s for the pawl, 323 304 01, and seal, 995 000 01
Will these parts work on my older hub?
Thanks for the help,
-Anthony
I was hearing a strange noise so I disassembled the hub and found that one of the pivots on one of the pawls had broken off and jammed the pawl down, so only one was engaging.
The wheels look just like the ones listed in the 2004 techincal manual I found online at mavic.
That indicates a part # m40578 for the pawls and m40579 for the seal. The pawl is a metal peice with a nub on the underside to locate the spring.
The newer documents, 2007 tech manual, indicates that the pawls on newer wheels are 2-piece plastic/metal. There are new part#'s for the pawl, 323 304 01, and seal, 995 000 01
Will these parts work on my older hub?
Thanks for the help,
-Anthony
