Freehub Help

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jefflad
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Freehub Help

Postby jefflad » Thu Nov 29, 2012 11:07 am

Ok, I've had issues with my freehub but I've found what I think is the same one and ordered it. However, when speaking to a LBS yesterday to see if he had any in so I could put it on last night he was adament he needed to know what freehub it was before advising (fair enough) and what the fixing one. I advised it was a Shimano M475 to which he replied never heard of it and then said what fixing it used and I advise hollow bolt that a 10mm allen key fits... again he was quite dismissive and advised it could be any and to bring it down. With his attitude I decided to try and service it but to be honest I got as far as taking the dust cap off and couldn't get much further last night and I've ordered off the net as didn't want to have a wasted journey to Mr Angry.

Anyway it got me thinking.... the reason I said M475 is that on the hub it was printed FH-M475 VIAM, so I guessed it was saying for this hub you can only use freehub (FH) M475, was this thinking correct and if so how do I know what cassette would fit onto this hub too? So could I have used any other freehubs and how do i know for sure which cassette will fit?

Sorry for the basic questions here and I have included a couple of photos.

Image

Image

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nicklouse
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Re: Freehub Help

Postby nicklouse » Thu Nov 29, 2012 11:10 am

any shimano one will fit.( same spd and not a road 10spd only splin patten).

buy a hub fron CRC and give your hub a overhauk with new bearings etc from the new hub.
"Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
Parktools :?:SheldonBrown

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.blitz
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Re: Freehub Help

Postby .blitz » Thu Nov 29, 2012 11:13 am

As above a complete Deore hub is only £5 more than the freewheel itself.

After removing the axle the freewheel comes off quite easily with a 10mm allen key.

Plenty of info in the faq and on Park Tools quite a rewarding job when it's done.

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jefflad
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Re: Freehub Help

Postby jefflad » Thu Nov 29, 2012 11:25 am

nicklouse wrote:any shimano one will fit.( same spd and not a road 10spd only splin patten).

buy a hub fron CRC and give your hub a overhauk with new bearings etc from the new hub.


That was my belief until the LBS knocked it with all the questions

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RevellRider
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Re: Freehub Help

Postby RevellRider » Thu Nov 29, 2012 11:36 am

nicklouse wrote:any shimano one will fit.( same spd and not a road 10spd only splin patten).

buy a hub fron CRC and give your hub a overhauk with new bearings etc from the new hub.


Not strictly true, some of the lower end Shimano hubs have a different freehub body design.

A replacement hub is in stock at CRC for £2 more than the replacement freehub body
http://www.chainreactioncycles.com/Mode ... elID=38215

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jefflad
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Re: Freehub Help

Postby jefflad » Thu Nov 29, 2012 11:47 am

RevellRider wrote:
nicklouse wrote:any shimano one will fit.( same spd and not a road 10spd only splin patten).

buy a hub fron CRC and give your hub a overhauk with new bearings etc from the new hub.


Not strictly true, some of the lower end Shimano hubs have a different freehub body design.

A replacement hub is in stock at CRC for £2 more than the replacement freehub body
http://www.chainreactioncycles.com/Mode ... elID=38215


Yeah ordered that but not from CRC... Thanks!

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nicklouse
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Re: Freehub Help

Postby nicklouse » Thu Nov 29, 2012 12:17 pm

RevellRider wrote:
nicklouse wrote:any shimano one will fit.( same spd and not a road 10spd only splin patten).

buy a hub fron CRC and give your hub a overhauk with new bearings etc from the new hub.


Not strictly true, some of the lower end Shimano hubs have a different freehub body design.

A replacement hub is in stock at CRC for £2 more than the replacement freehub body
http://www.chainreactioncycles.com/Mode ... elID=38215

Not come across any of the current lot that dont fit.

yes many of the older ones 7spd etc were diferent. but the current 8/9/10 spd standard fitting Qr all use the same.
"Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."

Parktools :?:SheldonBrown

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RevellRider
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Re: Freehub Help

Postby RevellRider » Thu Nov 29, 2012 17:58 pm

The entry level stuff that can be found on Acera equipped bikes, RM65 and stuff like that come with a totally different freehub design. See:

http://techdocs.shimano.com/media/techd ... 728365.pdf
The OP's hub for comparison:
http://techdocs.shimano.com/media/techd ... 728374.pdf

mattv
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Re: Freehub Help

Postby mattv » Fri Nov 30, 2012 12:36 pm

I would also recommend finding a new shop, as that hub is a standard one (and lots seem to fail too). They are about £25 from a shop due to shimano shipping it to the shop on its own in a jiffy bag, usually next day.

mister p
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Re: Freehub Help

Postby mister p » Fri Nov 30, 2012 13:56 pm

Have you tried fitting an XT M775 freehub body to an FH-M475 hub Nick?

Chunkers1980
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Re: Freehub Help

Postby Chunkers1980 » Fri Nov 30, 2012 14:53 pm

mister p wrote:Have you tried fitting an XT M775 freehub body to an FH-M475 hub Nick?


Why? Have you? If so what happened?

mister p
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Re: Freehub Help

Postby mister p » Fri Nov 30, 2012 15:01 pm

It didn't fit.

Chunkers1980
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Re: Freehub Help

Postby Chunkers1980 » Fri Nov 30, 2012 15:08 pm

Oh right, so you were just being clever. Btw, that's often like my obvious that is.

mister p
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Re: Freehub Help

Postby mister p » Fri Nov 30, 2012 15:12 pm

Edit - can't be bothered to play with you today.


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